Question about 2001 Pontiac Bonneville
Replaced the E Vaporative charcoal canister and the ignition coil packs (3) and its still giving those same codes
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
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Posted on Jan 02, 2017
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
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
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 ..
Posted on Aug 17, 2009
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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