Top Makes and Models with DTC P0300 (2024)

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Diagnose and fix your check engine light yourself Top 10 Most Affected Makes What is the P0300 Code? Top Models for P0300 Codes Acura Acura P0300 Occurrence Audi Audi P0300 Occurrence BMW BMW P0300 Occurrence Buick Buick P0300 Occurrence Cadillac Cadillac P0300 Occurrence Chevrolet Chevrolet P0300 Occurrence Chrysler Chrysler P0300 Occurrence Dodge Dodge P0300 Occurrence Ford Ford P0300 Occurrence GMC GMC P0300 Occurrence Honda Honda P0300 Occurrence Infiniti Infiniti P0300 Occurrence Jeep Jeep P0300 Occurrence Kia Kia P0300 Occurrence Lexus Lexus P0300 Occurrence Lincoln Lincoln P0300 Occurrence Mercury Mercury P0300 Occurrence Nissan Nissan P0300 Occurrence Pontiac Pontiac P0300 Occurrence Ram Ram P0300 Occurrence Scion Scion P0300 Occurrence Subaru Subaru P0300 Occurrence Toyota Toyota P0300 Occurrence Volkswagen Volkswagen P0300 Occurrence Source: Find a Certified Shop About the Author You might also like P0011 Engine Code | “A” Camshaft Position—Timing Over-Advanced (Bank 1) Top Makes and Models with DTC P0011 P0300 Engine Code | Random, Multiple Misfire Detected Explore Car Resources Car Insurance Car Buying Car Care Vehicle Search Try FIXD today for $19.99! Top Makes and Models with DTC P0300 Top Makes and Models with DTC P0507 P0507 Engine Code | Idle Speed Too High Top Makes and Models with DTC P0456 FAQs

Home > OBD2 Codes Top Makes and Models with DTC P0300

Code P0300—Random, Multiple Engine Misfire Detected—can create a dangerous driving situation and cause serious engine damage. Cars most susceptible to this problem include models from Nissan, Chevrolet, Ford, Toyota, and Audi. Other makes and models have high occurrence levels of code P0300.

  • David Goldberg

Top Makes and Models with DTC P0300 (1)

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Top Makes and Models with DTC P0300 (2)

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Top 10 Most Affected Makes

RankMakeLowModerateHigh
1NissanTitan, VersaFrontier, Maxima, Murano, Pathfinder, Rogue, Sentra, XterraAltima
2ChevroletCruze, Silverado 2500, TrailblazerAvalanche, Cobalt, Camaro, Colorado, Malibu, Sonic, Suburban, TahoeEquinox, Impala, Silverado 1500
3FordEdge, Explorer, F-350, Fiesta, Focus, FusionEscape, Expedition, F-250, TaurusF-150, Mustang, Ranger
4ToyotaRAV4, Sequoia4Runner, Avalon, Highlander, Prius, Sienna, Tacoma, TundraCamry, Corolla
5AudiN/AN/AA4
6VolkswagenN/ACC, Passat, TiguanJetta
7JeepN/ALiberty, WranglerGrand Cherokee
8GMCEnvoyTerrain, YukonAcadia, Sierra
9DodgeN/ACharger, Dakota, Durango, Grand CaravanRam 1500^
10RamN/A1500^N/A

While some diagnostic trouble codes (DTCs) are more common in certain car brands or models, P0300 is an equal-opportunity error code. FIXD sensor data that covers the 2000 through 2023 model years reveals that P0300 frequently hits some of the most popular cars in the U.S. The vehicles with the highest recorded instances of this DTC are:

  • Audi A4
  • Ford F-150
  • Chevrolet Silverado 1500
  • GMC Sierra
  • Jeep Grand Cherokee
  • Nissan Altima
  • Toyota Camry
  • Toyota Corolla
  • Volkswagen Jetta

These results show that code P0300—Random, Multiple Engine Misfire Detected—isn’t limited to one specific vehicle type. Pickups are just as likely to be impacted as SUVs and sedans. The Chevy Silverado 1500 and GMC Sierra are on this index because they are virtually identical vehicles. So, seeing both vehicles have the same occurrence rating for this code is unsurprising.

Below is an expanded look at how a P0300 code impacts numerous makes and models. This breakdown covers occurrence rates by model year (2000-2023) and separates the frequency into low, moderate, or high levels. The worst of the worst are the nine vehicles listed above.

At the same time, P0300 is more of a general error code that indicates an engine misfire without identifying a specific cylinder as the trouble spot. The adjacent codes, P0301-P0312, pinpoint an issue with a particular cylinder. For instance, P0304 signals a misfire in cylinder #4.

What is the P0300 Code?

Top Makes and Models with DTC P0300 (3)

Code P0300—Random, Multiple Engine Misfire Detected—may sound harmless, but it’s a DTC with potentially serious consequences. Critically, driving a car with an engine misfire can lead to stalling or a loss of power. That’s not something you want to encounter when turning at a busy intersection or driving on the highway. Outside of these dangers, ignoring a misfire can cause damage to internal engine components like pistons and cylinder walls. The catalytic converter is also vulnerable. These are all reasons not to drive a car with a P0300 code present.

One of the challenges of dealing with this issue is identifying what’s triggering the check engine light. The generic nature of P0300 indicates your car has an engine-related problem but doesn’t go much further in pointing at the source.

Read the complete article on P0300 Engine Code | Random, Multiple Misfire Detected to discover almost a dozen trouble areas to consider. This resource also offers tips on diagnosing the problem and what a DIYer can do to tackle a P0300 code independently (and when not to).

Top Models for P0300 Codes

Here’s a look at the makes and models most likely to have P0300 codes, according to FIXD sensor data. The absence of a model year ranking indicates no P0300 code was detected among the analyzed years, insufficient data, or the model wasn’t in production.

See Also
What Does The P0128 Code Mean?P0128 Chevy Code: Below Thermostat Regulating Temperature

Acura P0300 Occurrence

Make + ModelLowModerateHigh
Acura MDX2001, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2019, 20222002, 2003, 20052004, 2006

Audi P0300 Occurrence

Make + ModelLowModerateHigh
Audi A42000, 2001, 2002, 2003, 2006, 2009, 2010, 2011, 2012, 2014, 2015, 2016, 2017, 20182004, 2005, 2008, 20132007

BMW P0300 Occurrence

Make + ModelLowModerateHigh
BMW 325i2001, 2002, 2004, 2005, 2006, 2007N/AN/A
BMW X52000, 2001, 2002, 2004, 2010, 2014, 2015, 2016, 2017, 20182007, 2008, 2009, 2011, 2012, 20132003, 2005, 2006

Buick P0300 Occurrence

Make + ModelLowModerateHigh
Buick Enclave2008, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 202120102009
Buick LaCrosse2005, 2006, 2007, 2009, 2012, 2013, 2014, 2015, 2016, 2017, 20192008, 20102011

Cadillac P0300 Occurrence

Make + ModelLowModerateHigh
Cadillac Escalade2000, 2001, 2002, 2005, 2006, 2009, 2010, 2011, 2013, 2014, 2015, 2016, 2017, 2018, 20222003, 2004, 2008, 20122007
Cadillac CTS2009, 2010, 2011, 2012, 2013, 2016, 2017, 20182003, 2004, 2005, 2007, 20082006, 2009, 2014
Cadillac DeVille2000, 2001, 2003,20022004, 2005
Cadillac SRX2014, 2015, 20162004, 2005, 2007, 2008, 2009, 2010, 2011, 2012, 20132006
Cadillac STS2009, 2010, 20112007, 20082005, 2006

Chevrolet P0300 Occurrence

Make + ModelLowModerateHigh
Chevrolet Avalanche2002, 2003, 2004, 2005, 2006, 2009, 2010, 2011, 2012, 201320082007
Chevrolet Camaro2000, 2001, 2002, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 202220112010
Chevrolet CobaltN/A2005, 2007, 2008, 2009, 20102006
Chevrolet Colorado2009, 2010, 2011, 2012, 2015, 2016, 2017, 2018, 2019, 20202007, 20082004, 2005, 2006
Chevrolet Cruze2016, 2017, 2018, 20192011, 2012, 20152013, 2014
Chevrolet Equinox2005, 2006, 2008, 2009, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 20222007, 2010, 2013, 20142011, 2012
Chevrolet Impala2000, 2001, 2002, 2003, 2004, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 20202005, 20072006
Chevrolet Malibu2000, 2001, 2002, 2003, 2004, 2006, 2007, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 20222005, 2008, 2009, 2010, 2011, 20142012, 2013
Chevrolet Silverado 15002009, 2010, 2012, 2015, 2016, 2018, 2019, 2020, 2021, 20222000, 2001, 2002, 2005, 2006, 2007, 2008, 2011, 2013, 2014, 20172003, 2004
Chevrolet Silverado 25002000, 2001, 2002, 2003,N/A2004
Chevrolet Sonic2018, 2019, 20202012, 2015, 20172013, 2014, 2016
Chevrolet Tahoe2000, 2001, 2002, 2005, 2009, 2010, 2012, 2013, 2014, 2016, 2018, 20192006, 2008, 20172003, 2004, 2007, 2011, 2015
Chevrolet Trailblazer2004, 2005, 2006, 2007, 2008, 20212002, 20222003
Chevrolet Traverse2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 202120122009, 2010, 2011

Chrysler P0300 Occurrence

Make + ModelLowModerateHigh
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2014, 2015, 20162008, 2009, 2011, 2012, 20132010

Dodge P0300 Occurrence

Make + ModelLowModerateHigh
Dodge Charger2015, 2016, 2017, 2018, 2019, 2020, 20212007, 2009, 2010, 2011, 2012, 2013, 20142006, 2008
Dodge Dakota2000, 2001, 2003, 2007, 2008, 2009, 2010, 20112002, 2004, 20052006
Dodge Durango2000, 2001, 2002, 2003, 2008, 2009, 2010, 2015, 2016, 2017, 2019, 2020, 20212006, 2007, 2011, 2012, 2013, 2014, 20182004, 2005
Dodge Grand Caravan2001, 2008, 2009, 2010, 2013, 2014, 2015, 2016, 2017, 2019, 20202007, 2011, 20122018
Dodge Ram 1500^2000, 20012002, 2003, 2008, 2009, 20102004, 2005, 2006, 2007

Ford P0300 Occurrence

Make + ModelLowModerateHigh
Ford Edge2007, 2008, 2009, 2010, 2014, 2015, 2016, 2018, 2019, 20202011, 2012, 20172013
Ford Escape2001, 2002, 2006, 2007, 2008, 2009, 2010, 2014, 2015, 2016, 2018, 2019, 20222003, 2004, 2005, 2012, 2013, 20172011
Ford Expedition2000, 2001, 2002, 2007, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 20212004, 2005, 2006, 20082003
Ford Explorer2000, 2001, 2008, 2009, 2010, 2011, 2012, 2014, 2019, 2020, 2021, 20222002, 2003, 2004, 2005, 2013, 2015, 2017, 20182006, 2007, 2016
Ford F-1502000, 2001, 2002, 2003, 2009, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 20222008, 2010, 2011, 2012, 2013, 20142004, 2005, 2006, 2007
Ford F-2502000, 2001, 2002, 2003, 2004, 2007, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2018, 2019, 2020, 20212005, 2006, 20082017
Ford F-3502002, 2003, 2004, 2006, 2009, 2010, 2013, 2018, 20212001, 2005, 2007, 2008, 2011, 2012, 2014, 2015, 2016, 2019, 20202017
Ford Fiesta2002, 2005, 2007, 2009, 2010, 2016, 2017, 2018, 20192011, 2012, 20152013, 2014
Ford Focus2000, 2001, 2002, 2006, 2007, 2008, 2009, 2010, 2011, 2015, 2016, 2017, 20182003, 2004, 2005, 2013, 20142012
Ford Fusion2007, 2008, 2009, 2012, 2018, 2019, 20202006, 2010, 2011, 2014, 2015, 2016, 20172013
Ford Mustang2000, 2001, 2002, 2003, 2009, 2012, 2013, 2020, 2021, 20222006, 2007, 2008, 2010, 2011, 20142004, 2005, 2015, 2016, 2017, 2018, 2019
Ford Ranger2000, 2001, 2002, 2005, 2006, 2007, 2008, 2009, 2010, 2019, 2021, 202220112003, 2004
Ford Taurus2000, 2001, 2002, 2003, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 20222004, 20062005

GMC P0300 Occurrence

Make + ModelLowModerateHigh
GMC Acadia2007, 2013, 2014, 2015, 2016, 2017, 2018, 20212008, 2009, 2010, 20122011
GMC Envoy2007, 2008, 20092002, 2003, 2004, 20052006
GMC Sierra2000, 2001, 2010, 2016, 2018, 2019, 2020, 2021, 20222002, 2006, 2007, 2008, 2009, 2012, 2014, 2015, 20172003, 2004, 2005, 2011, 2013
GMC Terrain2010, 2013, 2015, 2016, 2017, 2018, 2019, 2020, 20212012, 20142011
GMC Yukon2000, 2001, 2002, 2006, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 20182003, 2004, 20052007

Honda P0300 Occurrence

Make + ModelLowModerateHigh
Honda Pilot2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 202120122009, 2010, 2011

Infiniti P0300 Occurrence

Make + ModelLowModerateHigh
Infiniti G35N/A2003, 2004, 2006, 2007, 20082005

Jeep P0300 Occurrence

Make + ModelLowModerateHigh
Jeep Grand Cherokee2000, 2003, 2009, 2010, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 20202001, 2002, 2004, 2008, 2011, 20122005, 2006, 2007
Jeep Liberty2002, 2009, 20102004, 2005, 2006, 2007, 2008, 2011, 20122003
Jeep Wrangler2000, 2001, 2002, 2003, 2004, 2017, 2018, 2019, 2020, 2021, 20222005, 2006, 2007, 2009, 2010, 2011, 2014, 2015, 20162008, 2012, 2013

Kia P0300 Occurrence

Make + ModelLowModerateHigh
Kia Rondo2009, 2010, 2012, 2013, 2014, 201520082007

Lexus P0300 Occurrence

Make + ModelLowModerateHigh
Lexus IS 2502009, 2011, 2012, 2013, 2014, 20152008, 20102006, 2007
Lexus RX 3002001, 2002, 2003N/AN/A

Lincoln P0300 Occurrence

Make + ModelLowModerateHigh
Lincoln Navigator2000, 2001, 2003, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 20202005, 2007, 20082004, 2006

Mercury P0300 Occurrence

Make + ModelLowModerateHigh
Mercury Mountaineer2000, 2002, 2004, 2008, 2009, 20102003, 2005, 20072006

Nissan P0300 Occurrence

Make + ModelLowModerateHigh
Nissan Altima2009, 2010, 2012, 2015, 2016, 2018, 2019, 2020, 2021, 20222000, 2001, 2002, 2005, 2006, 2007, 2008, 2011, 2013, 2014, 20172003, 2004
Nissan Frontier2000, 2001, 2003, 2004, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 20222005, 20072002, 2006
Nissan Maxima2000, 2001, 2002, 2003, 2004, 2005, 2006, 2009, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 20202007, 2008, 20112010
Nissan Murano2003, 2004, 2005, 2006, 2008, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 202020072009
Nissan Pathfinder2002, 2003, 2004, 2009, 2010, 2011, 2012, 2016, 2018, 2020, 2021, 20222000, 2001, 2007, 2008, 2013, 20152005, 2006, 2014, 2017, 2019
Nissan Rogue2018, 2019, 2020, 2021, 20222008, 2009, 2010, 2011, 2012, 2014, 2015, 2016, 20172013
Nissan Sentra2000, 2001, 2002, 2003, 2004, 2013, 2014, 2015, 2016, 2017, 2018, 20192005, 2006, 2007, 2008, 2009, 20102011, 2012
Nissan Titan2009, 2011, 2013, 2014, 2015, 2017, 2018, 20212005, 2006, 2007, 2008, 2010, 20122004
Nissan Versa2010, 2013, 2016, 2017, 2018, 2019, 2020, 20212007, 2008, 2009, 2011, 2014, 20152012
Nissan Xterra2000, 2009, 2010, 2011, 2012, 20152001, 2002, 2003, 20042005, 2006, 2007, 2008

Pontiac P0300 Occurrence

Make + ModelLowModerateHigh
Pontiac G62005, 2009, 20102006, 20082007
Pontiac Grand Prix2000, 2001, 2002, 2003, 2004, 2006, 200820072005

Ram P0300 Occurrence

Make + ModelLowModerateHigh
Ram 1500^2017, 2018, 2019, 2020, 2021, 20222013, 2014, 2015, 20162011, 2012

Scion P0300 Occurrence

Make + ModelLowModerateHigh
Scion tC2005, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 20162006, 20082007

Subaru P0300 Occurrence

Make + ModelLowModerateHigh
Subaru Forester2000, 2002, 2004, 2005, 2009, 2013, 2016, 2017, 2018, 2019, 2021N/A2014, 2015
Subaru Impreza2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2015, 2017, 2018, 2019, 20202014, 20162013
Subaru Legacy2007, 2014, 2015, 2016, 2018, 2020N/A2013
Subaru Outback2001, 2002, 2006, 2007, 2010, 2012, 2014, 2015, 2016, 2019N/A2013

Toyota P0300 Occurrence

Make + ModelLowModerateHigh
Toyota 4Runner2001, 2003, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2018, 20192000, 2004, 20052002
Toyota Avalon2003, 2004, 2009, 2010, 2011, 2013, 2014, 2015, 2016, 2017, 20182002, 2005, 2007, 20082000, 2001, 2006
Toyota Camry2006, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 20212001, 2004, 2005, 2008, 20092000, 2002, 2003, 2007
Toyota Corolla2007, 2008, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 20232004, 2005, 2006, 20102000, 2001, 2002, 2003, 2009
Toyota Highlander2006, 2007, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2018, 2019, 20202003, 2004, 2005, 20082001, 2002, 2017
Toyota Prius2001, 2002, 2003, 2004, 2, 2014, 2015, 2017, 20182005, 2006, 2007, 2008, 2009, 2011, 2012, 20132010
Toyota RAV42000, 2004, 2005, 2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 20222001, 2002, 2003, 2006, 2008, 20102007
Toyota Sequoia2000, 2006, 2007, 2010, 2012, 2019, 20202001, 2003, 2004, 20082002, 2005
Toyota Sienna2000, 2001, 2002, 2003, 2004, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 20202005, 2006, 20082007, 2009
Toyota Tacoma2003, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 20232000, 2004, 2005, 20062001, 2002
Toyota Tundra2009, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 20222001, 2002, 2003, 2004, 2005, 2006, 2007, 20102000, 2008

Volkswagen P0300 Occurrence

Make + ModelLowModerateHigh
Volkswagen Jetta2000, 2001, 2002, 2003, 2004, 2005, 2007, 2009, 2010, 2011, 2017, 2018, 2019, 20212006, 2008, 2012, 2014, 2015, 20162013
Volkswagen Passat2000, 2001, 2006, 2011, 2016, 2017, 2018, 20192002, 2004, 2005, 2007, 2008, 2009, 2010, 2012, 2013, 2014, 20152003
Volkswagen CC2015, 2016, 2018, 2019, 2020, 2021, 20222009, 2010, 2012, 2013, 2014, 20172011

^ Beginning with the 2010 model year, Ram was spun off from Dodge and became a separate brand. Ram-branded trucks are often referred to as Dodges, although this is technically not correct

Source:

Data was collected from installed FIXD sensors in vehicles from the 2000-2023 model years.

Top Makes and Models with DTC P0300 (4)

David Goldberg

Dave Goldberg is an automotive journalist and lifelong car fanatic. He writes for numerous enthusiast and business outlets and is an ongoing contributor to HotCars.com, one of the most popular car culture websites. When he’s not writing or driving, Dave is either under a hood or asleep. His credentials include a BA in Journalism from The George Washington University.

Top Makes and Models with DTC P0300 (5)

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About the Author

Top Makes and Models with DTC P0300 (6)

David Goldberg

Dave Goldberg is an automotive journalist and lifelong car fanatic. He writes for numerous enthusiast and business outlets and is an ongoing contributor to HotCars.com, one of the most popular car culture websites. When he’s not writing or driving, Dave is either under a hood or asleep. His credentials include a BA in Journalism from The George Washington University.

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Top Makes and Models with DTC P0300 (2024)

FAQs

What is the most common fix for P0300? ›

Replacing or repairing any faulty or damaged spark plugs, or their wires or coils. Replacing or repairing any faulty or damaged sensors, convertors, or injectors within your vehicle. Replacing or repairing your vehicle's engine altogether.

Read On ›
What sensor can cause P0300? ›

A few things that can cause this code to pop up can be issues with your vehicle's fuel injectors, oxygen sensors, or camshaft position sensor. It may also be something as simple as a problem with your spark plugs.

See More ›
What does P0300 code mean but no other codes? ›

This is a generic OBD-II code indicating that the engine's computer has detected random misfires in the engine. A misfire occurs when an insufficient amount of fuel is burned in a cylinder due to incorrect ignition timing, worn spark plugs, clogged injectors, low compression or other problems.

Read More ›
What is the code for a permanent misfire? ›

The P0300 engine code indicates a misfiring cylinder problem in your vehicle. The misfiring happens when insufficient fuel is burned or when the spark plug gets damaged. In addition, it can damage your car's catalytic converter in extreme conditions.

Show Me More ›
What are the three most common causes of a misfire? ›

Engine Misfiring? Here Are the Top 5 Possible Causes
  • Spark Plugs. Worn or fouled spark plugs are one of the most common causes of engine misfires. ...
  • Ignition Coils. Another possible cause of an engine misfire is a bad or malfunctioning ignition coil. ...
  • Fuel Injectors. ...
  • Vacuum Leaks. ...
  • Mass Airflow Sensor.
Feb 10, 2023

Read More ›
Can a bad knock sensor cause P0300 code? ›

Yes, that would be the first step. Once the misfires are fixed, if the knock sensor faults are still there , the wiring between both knock sensor and the PCM will need to be inspected.

Continue Reading ›
Can a maf sensor cause a P0300 code? ›

a p1010 is a mass airflow sensor code and a p0300 is a random misfire code. 17 years GM tech : If you are setting a maf code, the sensor may be bad and your fuel trim off kilter causing the misfire code to set.

Get More Info Here ›
What could cause a P0300 code on a Chevy? ›

If the fuel pressure in your Chevy's engine is too low, it can cause a misfire and trigger the P0300 code. This can be caused by a faulty fuel pump, clogged fuel filter, or a malfunctioning fuel pressure regulator.

Know More ›
Can a bad cam sensor cause random misfire? ›

Car Will Not Start: Over time, as the camshaft position sensor fails, the signal it sends to the engine control module weakens. When the engine no longer receives the signal, you will not be able to start your car. Engine Misfires: A failing camshaft position sensor can cause your engine to misfire.

Learn More Now ›
What can cause a misfire with no codes? ›

Sticking valves will typically be an issue with a cold engine. With the low mileage on the vehicle, the apparent poor maintenance, and the conditions the vehicle is operated in, it appears the most likely cause of the misfire is carbon buildup.

Continue Reading ›

Can bad spark plug wires cause P0300? ›

Here's the full list of common P0300 causes: Damaged spark plugs or related parts (wires, coils, distributor cap) Faulty fuel system components (injectors, low fuel pressure) Improper ignition timing or related sensor issues (camshaft, crankshaft, PCM)

Find Out More ›
Can a bad catalytic converter cause a P0300 code? ›

Although rather uncommon, a faulty catalytic converter can cause code P0300 to set. If the catalytic converter becomes restricted, it can create enough back pressure to cause a misfire and trigger code P0300.

Find Out More ›
What type of misfire is most severe? ›

The type "A" misfire is the most serious condition and indicates impending catalyst damage. If detected, the Malfunction Indicator Lamp (MIL) may flash once per second to alert the driver that immediate service is required.

Read On ›
How do you clear a permanent misfire code? ›

The only way to clear a PDTC is to fix the underlying problem with the vehicle that originally caused the PDTC and its corresponding DTC to set, and then allow the vehicle sufficient drive time to re-run the monitor that identified the problem in the first place.

See More ›
How do you diagnose what is causing a misfire? ›

To find the cause of a misfire, start with checking for trouble codes in the onboard diagnostics system with a scan tool. The codes may not pinpoint a specific part, but they should identify the cylinder or cylinders that are misfiring as well as other systems that aren't functioning properly.

Discover More Details ›
How to diagnose a multiple cylinder misfire? ›

The most common symptoms of a P0300 OBD-II code include:
  1. Check Engine Light illuminated or flashing (flashing indicates a more serious misfiring issue)
  2. Vehicle may take longer to start or not at all.
  3. Engine cuts out.
  4. The engine runs rough and is hesitant on accelerating.
  5. Idling speed may fluctuate or not at all.
Nov 30, 2021

Learn More Now ›
Can a bad alternator cause a misfire code? ›

The alternator also provides power to your spark plugs. The spark plugs use this power to ignite the air and fuel that is found in the combustion chamber. If the alternator is going bad, it may not be sending enough power to the spark plugs and your engine will misfire.

Read On ›
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