Question about 2002 Pontiac Grand Am

Open Question

Check engine and trac off light stay on. Runs rough. P0300 only code

Cleared codes with obd2 reader. Starts fine, but immediately starts to idle rough. Have changed plugs and coil pack. Car has 96000 miles. Well serviced and has never missed a lick. Drove it home from work one evening, ran fine. Started up the next morning, trac off light and check engine light came on. Have checked wiring, fuses, relays, etc. Ran around the block and warmed up engine to no avail.

Posted by Anonymous on

Ad

4 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi,
a 6ya expert can help you resolve that issue over the phone in a minute or two.
best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
the service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
goodluck!

Posted on Jan 02, 2017

Ad

SOURCE: Car coded yesterday p0303 noe check engine light flashing

The only thing left is the injector or a vacuum leak on the manifold gasket sucking air in and causing a lean condition. Thats is its the only common issue providing you dont have a head gasket issue leaking coolant on that cylinder and the compression and valves are not leaking. The old spark plug should show a coolant issue if present. The white part will be shiney if you have a coolant loss. If the coolant is looking real dark you should have the cooling system checked for gas being pushed into the cooling system on compression stroke thru the head gasket.

Posted on Nov 12, 2009

Ad
play0027
  • 107 Answers

SOURCE: 2005 Pontiac Sunfire. No start condition this

Timing is off, did you replace the wires as well? Check the timing?

Posted on Nov 20, 2010

  • 1949 Answers

SOURCE: i replaced fuel pump aprox.

pres.reg.or TPS

Posted on Nov 27, 2010

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Starts up but runs rough, exhaust smells, and when you give it gas it wants to shut off.


How To Fix P0300 random misfire codes in your car ...

? 2:56
https://www.youtube.com/watch?v=OyvdWeyDHf4
Feb 5, 2010 - Uploaded by Scotty Kilmer
Scotty Kilmer, mechanic for the last 46 years and counting, shows how to fix your car if the check engine light ...

P0300 - OBD-II Trouble Code - RepairPal

repairpal.com > Encyclopedia > OBD II Codes
OBD II Fault Code. OBD II P0300. Fault Code Definition. Random, Multiple MisfireDetected. Symptoms. Check Engine Light flashing; Rough running, hesitation ...

P0300 - Check Engine Light Diagnostic Trouble Code ...

https://www.engine-light-help.com/P0300-check-engine-light.html
The misfire detection monitor, a software strategy built into the computer, is designed to detect an engine misfire. The computer can also normally identify the ...

Random-Misfire Page

www.random-misfire.com/

Jan 24, 2016 | Cars & Trucks

1 Answer

After a long drive on vacation in a heavy rain, the check engine, VSC, and Trac Off lights came on and stayed on. Autozone says the codes are P0015 and P0017. any ideas?


Year/make/model??? P0015 is a camshaft position sensor code and P0017 is a crankshaft position sensor code ( generically ). The computer most likely disabled the traction/Vsc as a safety related operation. It is possible the heavy rain may have caused an electrical issue within the wiring/sensors. I would suggest having the codes cleared and continue driving and monitor the engine light to see if these codes return. Ir they do, further diagnostics will be required

Nov 29, 2015 | Cars & Trucks

1 Answer

I have 01 trooper replaced gas cap now check engine light off, but I have a p0300 code will it pass smog.?.


Many states will not pass a vehicle with a check engine light.

The P03000 code you have has little to do with the gas cap, rather it is a random misfire code. read more about this code and possible fixes in the link below. Good luck!

http://www.obd-codes.com/p0300

Jul 24, 2015 | 2001 Isuzu Trooper

1 Answer

7.5 l engine. Starts well but idles a bit roughly. Check engine light illuminates intermittently but does not stay lit constantly. Thanks!


If you have a check engine light the best thing is to read the codes and find out what the problem is. Many shops like Aamco read codes free.

Feb 14, 2015 | Cars & Trucks

1 Answer

88 f250 460 idle fluctuates. Sometimes runs rough. Check engine light comes on occasionally


the easy way to know what problem causes the light come on, you can take a cheap OBD2 code reader to have a check.

Nov 27, 2012 | Cars & Trucks

1 Answer

At idle vech starts running rough and check engine light starts to flash if i try to drive vech runs very rough and won't pick up speed. checked code with scanner and found code p300 mulitiple random...


Check for vacuum leak.Check all vacuum hoses and especially around the intake manifold these motos are prone for intake gaskets leaking.This will cause a code P0300.HOPE THIS HELPS!!

Apr 19, 2011 | 2003 Chevrolet Silverado 2500HD

2 Answers

I have a 96 cavalier z24. when I start it up the


Autozone and similar stores will check the codes in the computer for free usually. That is the best place to start. Other possibilities are Engine Coolant Temperature sensor (saying the engine is cold when it's not) or excessive fuel pressure (bad regulator or blocked return line)

Nov 24, 2009 | 1998 Chevrolet Cavalier

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

50 people viewed this question

Ask a Question

Usually answered in minutes!

Top Pontiac Experts

yadayada
yadayada

Level 3 Expert

76109 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22156 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

8269 Answers

Are you a Pontiac Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...