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Miss @ 1500 - 2000 RPM

Posted By: Shift On: 07-22-2008 @ 10:04:45         Reply | Edit
Well I think I have a new problem now, my car seems to miss when pulling away from a stop, it only does it in the 1500 - 2000 RPM range, and only under slight acceleration. Once I hit 1500 she stumbles and surges till 2000. I usually remedy the problem with a little right foot and the issue seems to disappear. At first I was thinking maybe my fuel pump was on the way out, but a miss seems more likely. What do you think would cause a miss that only happens in that RPM range, and doesn't happen all the time (intermittent)? Car has new cap and rotor, wires, plugs all last year, and there is no SES light present.
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Posted By: 91gtaws6 On: 07-22-2008 @ 13:44:08     Reply | Top | Edit
Shift I am having the same problem. Does yours seem to do it in over drive around 40-55 mph also? I just rebuilt the motor with bran new ignition parts and it started to do it, I have heard a few different things anywhere from a fuel pump to a relay back into the ignition system.

Posted By: roubenbird On: 07-23-2008 @ 00:23:08     Reply | Top | Edit
I had to change plugs about once a year so it doesn;t really rule those out.
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Being rebuilt, It'll take a while:

WS6 3o5 TBI 88' Formula, 670cfm Holley Projection Throttle Body Holley Projection Intake Mainfold, Underdrive Pulley,Dual Snorkle & Factory Cowl Induction,now with short straight pipes, UMI Subframe connectors, Fourth Gen seats, Three row Radiator, Posi rear end (2.73),TPI heads, 1.6 roller rockers
15.543 @ 88.21mph

Posted By: Pocket On: 07-23-2008 @ 03:43:32     Reply | Top | Edit
IGN module
Loose plug wire(s)
bad gas
vacuum leak


Good few to start looking for
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"If you have complete control over the damned thing, you're not going fast enough." - Carrol Smith

Posted By: Shift On: 07-23-2008 @ 11:53:30     Reply | Top | Edit
Vacuum lines have been gone over with a fine tooth comb trying to discover my code 32 just recently. Gas should be fresh, I fill up every couple of days hehe. I will check the plugs and wires. Only does noticeably in first gear at low speeds, when just taking off from a stop.
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