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Trouble Codes
P Codes (Powertrain)
P0300 - P0399
P0300
P CODES (POWERTRAIN) P0300 - P0399 P0300
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Found 186 results
P0300 Code Why Can We Fix It?
I Replaced My Intake Gasket. Then Decided To Perform A Smoke Test. I Had Never Performed A Smoke Test. I Used A Smoker A Friend Had Built...
Asked by
glennst
·
41 ANSWERS
2 VIDEOS
19 IMAGES
2007
CHEVROLET SILVERADO
VIDEO
Is it Safe to Drive Check Engine Light?
Instructional repair video
GUIDE
Check Engine Light
Why is my check engine or service engine soon turned on? In this guide we talk about what this is associated with this notorious light, what it is used for and what you...
Code P0300
Hello, I Got A P0300 Code On My Car. It Is A 4 Door Hatchback. My Check Engine Light Blinks Along With The Hold Button. In The Past 6...
Asked by
xxcooper1xx
·
5 ANSWERS
16 IMAGES
2005
CHEVROLET AVEO
Code P0300
I Have A P0300 Code (random Misfires). I Have Replaced Fuel Injectors, Plugs, Wires, Distributor Cap And Rotor. I Am Attaching Some...
Asked by
waynemertz
·
33 ANSWERS
2 IMAGES
1999
CHEVROLET ASTRO
Codes U0073 And P0300?
Please Help. Need The Engine Ground Wiring Diagram Or Really The All Of The Engine Wire Diagram To The Pcm. I'm Thinking It Has A Bad...
Asked by
Earl91
·
1 ANSWER
12 IMAGES
2009
GMC SIERRA
VIDEO
How to Read Trouble Codes
Instructional repair video
Code PO300, Popping Sound Coming From Exhaust
My Truck Became Hard To Start. When There Was Rain/moisture No Cranking. By End Of Day If Humidity Dropped It Would Crank. When It Did...
Asked by
Steve Black
·
6 ANSWERS
9 IMAGES
2000
CHEVROLET S-10
Intermittent Backfiring With Code P0300
New Battery, New Ignition Coil And Spark Plug Wires, Spark Plugs, New Alternator. Replaced Valve Cover Gasket Because Oil Leaking Into...
Asked by
Luchito63
·
1 ANSWER
10 IMAGES
2004
MAZDA 6
GUIDE
Check Engine Light Safe to Drive?
We are a team of ASE certified mechanics that have created this guide to help you understand if your car is safe to drive with the check engine or service engine soon...
Code P0300, Car Running Badly
I Still Have A P0300 Code Problem Going On. Runs Pretty Bad. I Have Replaced The Following: Plugs, Wires, Distributor Cap And Rotor, ...
Asked by
waynemertz
·
20 ANSWERS
4 IMAGES
1999
CHEVROLET ASTRO
Diagnosis Code P0300
I Am Having Some Misfire Issues With My Truck When I Start It 5 Months Ago I Threw A P0304 Code. I Changed Spark Plugs And Swapped Coil...
Asked by
Justin Larsen
·
3 ANSWERS
7 IMAGES
2005
TOYOTA TACOMA
Codes P2187 And P0300
Hi I Already Replaced Spark Plugs And Cleaned The Mass Air Flow Sensor. The Engine Starts Shaking In The Mornings When The Engine Is Cold...
Asked by
Karlae84
·
1 ANSWER
8 IMAGES
2008
MAZDA 3
2005 Infiniti G35 P0300
Changed Plugs, Started Up And Had P0300 Error. Rechecked All Plugs And Verified Proper Coil Order. No Change. Put Old Plugs Back In, No...
Asked by
jeffringley
·
13 ANSWERS
2005
INFINITI G35
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