Question about 1992 Volkswagen Cabriolet

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1992 VW Cabriolet runs great til gets hot, then misses badly like it is running on 3 cylinders. Have replaced spark plugs & wires, cold idle, cold start valve, cap, rotor, air flow meter unit, ignition coil, O2 sensor, catalytic converter. Any suggestions?

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Are you able to isolate this problem by pulling each spark plug wire temporarily while the engine is running, and see if the engine RPM's stay the same or actually drop or stall? If the RPM drops when one of the wires is pulled, we now isolated the problem cylinder. Let me know what this result is.

Posted on Jun 02, 2010

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Posted on Jan 02, 2017

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High Idle


Replace plugs and wires.

May 25, 2013 | 1992 Honda Accord

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I would do a compression test to see if all cylinders are good, and no internal mechanical damage has occurred.
If compression is good, check for possible intake manifold leak that especially affects the right bank- the bank with 1, 3, and 5 cylinders.
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Jun 08, 2017 | Cars & Trucks

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1992 vw Cabriolet. replaced dist cap, rotor, plugs, wires, Getting spark but will not start. Any ideas?


check grounding first,
replace coil- not expensive.
check the module connected to the computer(ECU).

getting the spark is a good sign!
try those first

BTW- NKG spark plugs beat BOSCH.

good luck!


if either

Aug 21, 2010 | 1992 Volkswagen Cabriolet

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I have a 92 Honda Accord, what causes oil around the spark plug. and how do I fix it. Would it also mke the vehicle run bad?


1. Worn or broken rings on that cylinder
2. Valve guides or seals worn on that cylinder
3. To fix the rings you will have to remove the head and sump (Remove the motor from the car if you cannot remove the sump with it in the car)
4. Yes it will make your car run bad

Jul 09, 2010 | 1992 Honda Accord

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1994 Mitsubishi Diamante. I had this problem for a while now. When the engine is hot it gets worth. The engine is miss firing, I replaced spark plugs and wires a year ago. i also replaced Air miter. The...


check or relace your coil pack due to the fact that when a coil pack is going bad it usually looses its umph. when it get hot and that would explain random miss fires

Jun 23, 2010 | 1994 Mitsubishi Diamante

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