car stalls when warmed up, wont start till cooled down

20

Asked by Feb 20, 2012 at 04:39 PM about the 1991 Toyota MR2 2 Dr STD Coupe

Question type: Maintenance & Repair

I have changed the plugs, plug wires, cap and rotor.

3 Answers

45

might be the ignition coil, check it.

2 out of 2 people think this is helpful.
445

could be a vacuum leak, a sort of deffective valve or sensor. I suggest to check your engine coolant temp sensor, probably defective.

I did plugs,wires, engine coolant temp sensor, ignition coil. No help. Then I cleaned the idle controller valve. that got it to keep an idle much longer but still occasionally stalls and if you shut it off when warm it won't start till it cools.

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