2nd Generation Specific 1986-1992 Discussion

89 gtu misfire and cel when driving

Old 03-01-2014, 06:20 PM
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Default 89 gtu misfire and cel when driving

Hello i am new to the rotary scend i have read up a lot and checked a lot of post car takes a bit to start all the time hot and cold i did the one check to check of seals are good no bubbles in radiator when cold start at all...when car is started it idles ok but jumps very little no smoke or anything when driving that's when i really start to feel the misfire then cel turns on but when i go back and park the car cel goes away or when i shut off and start cel will be gone rx7 supposedly has rebuilt engine with only 20 miles which is why i purchased i have replaced battery . Spark plugs, plug wires, coil packs with my buddy rx7 new ffuel, fuel pump fuel filter..... i have disconnected one vac hose and idle does not change i also disconnect map sensor and still idles the same but cel turns on accel. Can someone please help i need this vehicle to run for work any help i will appreciate thank you
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