Hesitation after shifting or on light gas pedal pressur - Saab 900 Bulletin Board - Saabnet.com
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Hesitation after shifting or on light gas pedal pressur
Posted by George (more from George) on Sun, 10 Oct 2004 10:49:59
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the car: 1989 900T stage 1 steady at 15 psi
the problem: Intermitant hesitation that happens at all times of driving(cold/warm)i usualy happens right after a shift when i begin to push on the gas pedal.. or when i am freeway driving and touching the gas pedal very lightly(somtimes bumps affect it also)the hesitation is a total loss of engine power for a second then it comes back. my gauges stay on but my autometer a/f ratio gauge will stop its regular bouncing and act like it doesnt know what to do. this hesitation has been hard to solve because somtimes i can go days before it will happen and other times it will happen alot in one day.
things i have replaced lately
fuel pump
fuel filter
AIC
vac hoses
bov (3 years old)
amm (3 years old)
02 sensor (2 years old)
knock sensor
injectors (4 years old)
fpr (4 years old)
things i am going to replace to try and fix the problem:
distributor rebuild (hall sensor)
ignition amp
any thoughts on other things i might try?
posted by 172.199.235...
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