I am about ready to find a cliff and let this car roll off it. Getting tired of fighting it. This is on my 2000 tiptonic
Symptoms - Misfire codes P0300, P0301, P0302, P0303
Replaced so far:
Plugs
coils
spark plug tubes
oil cap
vacuum canister
vacuum check valve
vacuum lines
all O2 sensors
aos
short aos line
long aos line (royal pain to replace)
maf
varicam solenoid
cam plugs
intake plenum rubber connectors
Had 1 shop do a smoke test which they said didn't leak, but dont trust this shop cause I knew the canister was cracked when they did the test.
Removing the oil cap does cause the engine idle to change. HOWEVER, when putting the cap back on, it causes the engine to die as it adjusts idle back. This is the very strange thing. Video here, but the audio isn't all that great.
https://youtu.be/drOXhEi4npA
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