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Old 12-05-2014, 08:05 AM
tbomachines's Avatar
Join Date: Mar 2009
Location: Philadelphia
Posts: 5,039
O2 sensors? Does the exhaust smell bad at all (I.e. Running rich)? Once it's warm it should go into closed loop and just use the O2 sensors for fuel metering.

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Current stable:
- 2004 Mazda RALLYWANKEL
- 2007 Saturn sky redline
- 2004 Explorer...under surgery.

Past: 135i, GTI, 300E, 300SD, 300SD, Stealth
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Old 12-05-2014, 08:15 AM
oldsinner111's Avatar
a parent should die first
Join Date: Nov 2008
Location: bristol,tn
Posts: 5,087
new sensor,yes smells rich,will hurt eyes.Just wondering I had mechanic work on car.He forgot to plug in MAP.I replugged it.Could it have done anything to computer.
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Old 12-05-2014, 01:15 PM
oldsinner111's Avatar
a parent should die first
Join Date: Nov 2008
Location: bristol,tn
Posts: 5,087
oK THE HOSE GOING FROM CRANKCASE TO AIR PUMP,FELL OFF. the studder is a whole lots less,but stilll there.working on coolant temp sensor wire.
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Old 03-27-2015, 11:45 PM
Registered User
Join Date: Oct 2013
Location: Delaware
Posts: 7
Hello, I am having the same issue with my c280. Once it warms up the car starts misfiring at stoplights until I put it in neutral. I was just wondering if you found a solution to your problem that I could try.
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Old 03-28-2015, 02:02 AM
lsmalley's Avatar
Registered User
Join Date: Oct 2006
Location: California
Posts: 1,836
check for vacuum leaks

1990 190E 2.6L
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