My 4runner missfires around 2400 to 2700 rpm. runs fine at other rpms once warm
1990 Toyota 4Runner

My 4runner missfires around 2400 to 2700 rpm. Runs fine at other rpms once warm

(1990 Toyota 4Runner)
When started it runs rough until warming up. New plugs, wires, distributor cap, rotor. No codes. Ran fine before radiator change which doesn't make sense. Shop wants to replace the distributor just to see if it helps.
1 answer & 1 comment
Popular Answer
on November 26, 2012
Possible issue with distributor, have a shop diagnose with a scope.
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on November 27, 2012
Thanks for the response. We paid a shop diagnose the problem. They scoped it and couldn't find the issue. They wanted to change the distributor for $780 and see if it helped or not. If it didn't they were going to keep changing parts.
General Diagnosis
$88 - $111 Learn More
on November 26, 2012
Possible issue with distributor, have a shop diagnose with a scope.
Sign in to reply
on November 27, 2012
Thanks for the response. We paid a shop diagnose the problem. They scoped it and couldn't find the issue. They wanted to change the distributor for $780 and see if it helped or not. If it didn't they were going to keep changing parts.

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