Continuing Hesitation problems 1992 900 - Saab 900 Bulletin Board - Saabnet.com
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I am continuing to have problems with stumble hesitation in my car.To date I have replaced with (used but working)AIC,Sprk plugs and wire set,computer,rotor and cap,three AMM's,checked vacuum lines and coolant temp senser.After the last AMM replacement things were ok for about 2 weeks but then issues returned.I have also used CRC SenseKleen. The idle is perfect which was not the case before when idle was very erratic and would stick at 25oo rpm. Although poor staring has been an issue it seems after warm up hesitation comes back especially in low RPM.Some times I have driven several days and no problem then it starts acting up again.I have considered fuel pump but would the bad pump not cause problems at all speeds?I would really appreciate any other suggestions.
Thanks
posted by 69.157....
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