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post #1 of (permalink) Old 11-21-2002, 11:50 AM
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Missing/Pinging 318

I'm having a problem with the 318 in my 91 Dak.
A couple weeks ago it started missing and backfiring extreamly badly and ended up being towed home. I found moisture in the distributer and replaced it and the cap. After that it started and ran fine, but would still miss during light accelation. I checked and adjusted the timing, now it only misses once in a great while during light acceleration, but pings or knocks a little under hard acceleration or pulling steep hills. The local dealership told me I had dirty injectors (Throttle body injection), pored a bottle of cleaner in the tank, charged $100 and said it should clear up shortly, well, it hasn't. I'm out of ideas here, any suggestions?
Thanks.

P.S. Ignore the signature please, I have an old Toyota that I beat up on the trails, my Dak is my daily driver, work truck, old reliable until now.
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post #2 of (permalink) Old 11-21-2002, 09:48 PM
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Re: Missing/Pinging 318

I've heard of problems with pinging caused from the spark plug wires being rerouted or moved. Try putting them exactly the way it came from the factory via the wire holders on the valve covers. How about 89 or 93 octane fuel, does it stop?
Hows the plugs?
The dealer doesn't just pour a bottle in, they remove the carb from the motor and clean it with throttle body cleaner and a brush and clean inside the throttle body or carbon build up...
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post #3 of (permalink) Old 11-23-2002, 02:56 AM
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Re: Missing/Pinging 318

Thanks, I know they did more than just pour the cleaner in. Thing that discusts me is that after doing without my truck all day, and paying them over $100 it still doesn't run any better, and I'm still left trying to figure out whats wrong myself. I don't take a vehicle into a mechanic unless I either don't have a clue, or don't have time to deal with it. In this case both apply. So, anybody got any suggestions?
Cause I'm stumped.
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post #4 of (permalink) Old 11-23-2002, 07:42 AM
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Re: Missing/Pinging 318

Bring it back to them since they thought they fixed it and didn't... Usually a dirty carboned up intake will cause stalling at idle or at least mine did.
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