Weird engine "skipping"? - Ford Mustang Forum
 
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post #1 of 6 (permalink) Old 03-18-2010 Thread Starter
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Question Weird engine "skipping"?

I didn't know what else to call it. I'll be doin roughly 65, I'll let the throttle off to about 1/4 and the whole car does a weird skip/surge thing. It sounds and feels like its getting fuel intermittently, but if that were the case I'd thing it would happen all the time. I can hear the thud of my u-joints, they're pretty worn out. Anyone have any idea?


Thanks,
Apollo34


1990 FoxBox Mustang LX
2.3L N/A - 1?74, 000 miles. Lol,
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post #2 of 6 (permalink) Old 03-19-2010
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check the fuel pressure, check your plugs and wires too


1989 Mustang Hatch 2.3 Turbo Swap, 17 PSI, Holset HY35, Stinger Center Mount Header, 3 Inch Straight Pipe Exhaust, Tial External Wastegate, Greddy BPV, Spec Stage 3 Clutch, FMIC, Ported Intake.
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post #3 of 6 (permalink) Old 05-06-2010
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Hey I have a similar problem and am looking for answers or people with similar problems. My stang is a 92 FI/electronic ignition. seems to run fine except when the trans goes to OD. At 45-55 mph I get a constant skip. When I acceperate it goes away.

Did you come up with a fix?
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post #4 of 6 (permalink) Old 05-06-2010 Thread Starter
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No not really, my buddy who's wa more mechanically inclined then me said that it could be the exhaust leak I have right out the exhaust manifold. The exhaust pipe and manifold are separated a bit.

1990 FoxBox Mustang LX
2.3L N/A - 1?74, 000 miles. Lol,
1200 bucks.

Soon to get:
A much needed tune up.
Custom Air Intake.
Header/high-flow cats.
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post #5 of 6 (permalink) Old 05-07-2010
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Two ideas, your engine is misfiring or your u joints are shot. First check that you have all wires going to correct cylinders (probably do) more likely to solve this problem get a set of new spark plug wires (get silicon insulated ones), and a cap and rotor for distributor (2.3 has distributor right?) and new spark plugs. A worn u joint will give vibration in gears 2 3 and 4 but will not go away with higher rpm or when out of overdrive.
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post #6 of 6 (permalink) Old 06-02-2010 Thread Starter
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Quote:
Originally Posted by moparnick View Post
Two ideas, your engine is misfiring or your u joints are shot. First check that you have all wires going to correct cylinders (probably do) more likely to solve this problem get a set of new spark plug wires (get silicon insulated ones), and a cap and rotor for distributor (2.3 has distributor right?) and new spark plugs. A worn u joint will give vibration in gears 2 3 and 4 but will not go away with higher rpm or when out of overdrive.
Nah, my joints are all good. Found out my clutch is bad though, lol. And I'm pretty sure I found out what it is. With the exhaust leak right in front of the O2 sensor, I think my car is dumping excess fuel to get higher carbon monoxide readings at higher speeds/rpms. It does the same thing at idle sometimes, so I figure once I get some exhaust tape on there it'll be okay.

Thanks!
Paul

1990 FoxBox Mustang LX
2.3L N/A - 1?74, 000 miles. Lol,
1200 bucks.

Soon to get:
A much needed tune up.
Custom Air Intake.
Header/high-flow cats.
Apollo34 is offline  
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fuel , jump , skip , u-joints , weird

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