'74 2.0 FI, hesitates at 4300 rpm |
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'74 2.0 FI, hesitates at 4300 rpm |
moneysmarts |
Apr 19 2005, 12:44 PM
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#1
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Member Group: Members Posts: 164 Joined: 2-March 04 From: Central Massachusetts Member No.: 1,745 Region Association: None |
Hot or cold, engine runs great and pulls strong right up to 4300 rpm.
Then, it hesitates and bucks a little until about 4500, then runs fine again to 6000. Valves were done last fall, new fuel filter and plugs this spring. Oh ya, also has MSD. Where should I begin looking? |
3d914 |
Apr 19 2005, 12:55 PM
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#2
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Senior Member Group: Members Posts: 1,275 Joined: 24-September 03 From: Benson, AZ Member No.: 1,191 Region Association: Southwest Region |
ms,
It may be necessary to remove the TPS (throttle Switch) cover and clean the contacts. You may think its easier to buy a new one, but I've had to do this even on new ones. The contacts can have burrs on them and groove the circuitry. Enjoy! |
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