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Originally Posted by kfellers
Have a 1988 GT, 121,000 miles and always ran perfect till recently. Whenever I give it a quick rev it hesitates quite a bit before the engine actually revs up. Also, its noticable when shifting gears, give gas as I let off the clutch and can feel the hesitation. Is this just a symptom of the speed density set up or something else. Any help or advice would be appreciated.
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I believe that the last year for a carbed engine was 85. I had a 89 5.0(was first year of the MAF mass airflow sensor) and I had a similar problem occur about 75K. It would happen at no paticular time and go away as quick as it came. I remember many people with similar problems and noone seemed to find a fix. I replaced the plugs, wires, cap and rotor, ignition coil, fuel filter, air filter, and it made no difference. I would say try hooking up a fuel pressure gauge and see what its doing when that happens. Preferably one you could monitor while your driving. I didnt try this on my car at the time.