Question about 2001 Pontiac Bonneville

1 Answer

Replaced the codes that the ECM was throwing out and car still runs the same

Replaced the E Vaporative charcoal canister and the ignition coil packs (3) and its still giving those same codes

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  • kissmyazzy
    kissmyazzy Dec 08, 2012

    at autozone the codes came up and i replced the items it listed and nothing has change on my car and the check engine like came back on and flashes and then goes steady

  • kissmyazzy
    kissmyazzy Dec 08, 2012

    ok this is what was all replaced as of yesterday .... the Manifold absolate pressure sensor, the E vap charcoal canister, the 3 igintion coil packs , new plug wires, new spark plugs, the fuel pump, the fuel filter, PCV Valve, the Transmission throttle sensor, fuel pressure ragulator, both O2 sensor,the cat converture, Mass air flow sensor and the car is still doing the same thing

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1 Answer

You Cleared all data in the pcm

You didn't replace any codes

The canister & the 3 cop coils were tested HOW?

They failed a test & thus needed replacing?

Apparently not as you still have the came OBD 2 Codes

So you now need to start over & I suggest a repair shop

If that work was done by a shop,chose an other as you paid
for nothing as you know.

Bottom Line----Never diagnosed the fault codes or found
the real issues.

Posted on Dec 08, 2012

  • 5 more comments 
  • kissmyazzy
    kissmyazzy Dec 08, 2012

    at autozone the codes came up and i replced the items it listed and nothing has change on my car and the check engine like came back on and flashes and then goes steady

  • kissmyazzy
    kissmyazzy Dec 08, 2012

    ok this is what was all replaced as of yesterday .... the Manifold absolate pressure sensor, the E vap charcoal canister, the 3 igintion coil packs , new plug wires, new spark plugs, the fuel pump, the fuel filter, PCV Valve, the Transmission throttle sensor, fuel pressure ragulator, both O2 sensor,the cat converture, Mass air flow sensor and the car is still doing the same thing

  • Anonymous Dec 08, 2012

    You never read or understood a thing I said above Codes do not tell you what is wrong or to replace anything Auto Zone didn't do a thing for you

  • kissmyazzy
    kissmyazzy Dec 08, 2012

    when i change the plug wires i noticed this white powder that came out of the wire.

  • kissmyazzy
    kissmyazzy Dec 08, 2012

    car won't go over 25 MPH and it runs rough and turnting left it gets worst

  • Anonymous Dec 08, 2012

    Does it make sensor that you had 13 different parts fail at once or in 15 years of driving tha same vehicle You were taken advantage of,that is just sort of fraud. You now need a repaie shop to PROPERLY DIAGNOSE the car. You were sold parts for no reason, no one ever looked for or knew how to test your car. That is why I never suggest the franchise places Go to a long time local shop that has been there for 30 years

  • kissmyazzy
    kissmyazzy Dec 08, 2012

    no it only gave 2 codes and i put new parts in for those codes and reset the codes . but then the check engine light came back on and had them test it again and it came back with the same codes of the parts i just replaced

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6 Suggested Answers

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Posted on Jan 02, 2017

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blueextc3221
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SOURCE: car wont start

I noticed you replace the crankshaft sensor, but not the CAMshaft sensor.
The Ignition module takes the input of both sensors to tell the coil when to energize.
This sensor should come up as an error code when you attach a obd reader.
Even if your light is not on - there may be a code. If it is not your vehicle originally, some people pull the bulb!

Posted on Jan 22, 2009

  • 73 Answers

SOURCE: 1994 pontiac transport se not firing in first coil pack at idle

ARE YOU CHEKING SPARK OFF THE COIL TOWER OR AT THE SPARK PLUG END OF THE WIRE SOUNDS LIKE YO HAVE A BAD WIRE

Posted on Apr 24, 2009

  • 736 Answers

SOURCE: 1996 Pont Grand Prix ---- P0303 again & again

wow ..you have checked about everything .. the code is telling you that cylinder 3 is mis firing ... you agree that it is missing ... there has to be a problem with that cylinder .. i would check and recheck the ignition wire, plug, distributer cap, coil associated with that cylinder .. here is a couple of URLs that may or may not shed some light ..

http://www.obd-codes.com/p0303

http://www.engine-light-help.com/P0303-check-engine-light.html

Posted on Aug 17, 2009

  • 336 Answers

SOURCE: 1997 Pont Grand Prix ---- P0303 again & again

I would inspect the connecter and wires for the #3 cylinder fuel injector for damage.

Posted on Aug 17, 2009

johnjohn2
  • 5763 Answers

SOURCE: Engine code states cylinder 2 misfire. Replaced

sounds like a bad injector, just connection at the injector, also check for leaks at intake, one more thing , do a compression test on that cylinder start there, good luck.

Posted on Oct 24, 2009

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