Check engine light update
Check engine light returns. Replaced 02 sensors today per newsgroup. Will keep you updated
saulo
No check engine light for the past week. We have had a cold spell and
>my travels have been early morning and night. I am waiting for some
>hot days to see if the check engine light returns. Will keep you >informed.
>
>abitrip
>
>>
>>I have a 1994 Explorer wit 145,000 miles. I have babied this truck
>>and it looks and runs great, for 45 minutes!!!!
>>
>>Car starts great, Idles great and smooth, with plenty of power..
>>After I been trucking down the Highway for 45 minutes the Check engine
>>light comes on and off and I can feel the engine Missing or bucking at
>>highway speed . After the 45 minute drive I start to lose power at
>>acceleration or passing vehicles. Feels like its bogged down or
>>towing a trailer. When I get off of the turnpike and stop at a light,
>>it idles really rough and sometimes the exhaust has a different smell.
>>NO smoke just a sweet or rich smell. Once I get to my destination if
>>I turn off the car and let it sit for awhile it starts and runs like >>new again.??
>>I extracted the codes 176 and 177. I had the service station run it
>>on the computer and he got the same codes. They tested the O2 sensors
>>and they tested ok. The mechanic states that something else is making
>>the sensors read lean, and that the O2 sensors rarely fail.
>>
>>Truck Facts:
>>Temp Normal
>>Oil pressure Normal
>>Voltage Normal
>>Problem occurs regardless of ambient temp.
>>Problem occurs only after extended drive time.
>>New Maf sensor and cleaned.
>>new air filter.
>>New EVM
>>New EGR
>>Ac compressor on or off has no effect on power loss.
>>Only Codes are 176 177
>>Checked and replaced some vacuum hoses
>>Replace vapor cannister and vapor valve sensor (Strong Gas Smell >>Fixed)
>>Plugs and wires are from ford and replaced at 100,000 miles. I think
>>ford sold me platinum plugs.
>>
>>Much thanks
>>got to go to work
>>
>>Saul
>>
>>
>>
>>Never Forget
>>
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>Never Forget
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Never Forget
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