Question about 1992 Honda Accord
You have a leaking engine cylinder head gasket, that is the cause of the smoke and long warm up.
Posted on Feb 21, 2012
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Posted on Jan 02, 2017
If it does that when the engine is warmed up (full operating temp.) it may be you iac valve, or your fast idle valve. They get gummed up. It also could be your PVC valve, but probably not.:
IAC in red. Fast Idle in yellow. Your PVC valve is plugged into the valve cover (the black hose in between the red and yellow in the picture) it simply pulls out. It should rattle when shaken.
Hope this gives you a start on the problem.
Posted on Oct 10, 2009
I believe there are two fast idle cam valves in this vehicle.Only been several years since I've repaired one. One for the winter and the other for the summer. Your gonna need the shop manual to determine which one is which and where they are located. Now you said its fine "cold" so its the summer one. Short a shop manual what I would do is they are probably on the fire wall as close to the throttle body as possible. There should be two small philips on top of each one holding down a small plate. One at a time remove the screws and plate clean them out with a rag dipped in carb cleaner then squirt a drop of oil in one of them and close it up. Start the vehicle let it run and see what happens. If the symptom goes away you found your culprit now replace it. If it didn't work do the same on the remaning valve and see what happens. Again if the symptom relinquishes its the one you have to replace.The fix for these valves is replacement the squirting of the oil trick doesn't last that long. Good luck
Posted on Mar 10, 2010
check for a leaking or sticking EGR valve. This valve only operates when the engine is warm. Check also for vacuum leaks on other devices that are switched on when the engine is warm. A good example would be the evaporative emission canister or "charcoal canister".
Posted on Feb 25, 2011
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