My 305 doesnt idle correctly and it stumbles when i give it some gas.
Asked by Phil_a_Billy Apr 26, 2015 at 03:43 AM about the 1988 Chevrolet Caprice Classic Sedan RWD
Question type: Maintenance & Repair
I changed the spark plugs less than 20 km ago and they are really black. It also has broken valve stem seals....making it smokey on cold starts. im guessing its running rich. could anyone help?
3 Answers
CamaroCollector answered 8 years ago
If you are certain that the valve stem seals are "broken" then you have oil from the cylinder head getting into the combustion chamber which will create smoke and seriously foul the plugs.
Phil_a_Billy answered 8 years ago
is it posible that codes be stored without a check engine light. I dont have a check engine light on, and my car is carburated. The cat converter is clogged but i made a big hole in it.... i didnt run the car for a year, i let it idle today for a good 20 mins, it seemed to get better.
Phil_a_Billy answered 8 years ago
Thanks, il try a new O2 sensor and later get my carb overhauled. i heard to stay away from remans. my original has only 152,000km on it.
