Question about 1983 Oldsmobile Cutlass Cruiser

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My 1983 260 olds is getting fire but keeps jumping time

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Remove the distributor and check the gear at the bottom for missing teeth. Check for excessive play in the distributor shaft. If it checks out, Re-install the distributor and place a socket at the crank bolt. With the dist. cap off, rotate the engine backwards. While watching the rotor, see how far you have to rotate the engine before the rotor moves. If it seems like a long way, replace you timing set. You may have a severely stretched timing chain.

Posted on Jul 09, 2008

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What would all would make the car backfire?


Incorrect static timing, severe misfire, bad ECU, severe contaminants in the gasoline (especially vandalism with sugar or palm kernel oil), or any number of engine position sensor failures. Normally, only vehicles that have been very poorly maintained will ever backfire unless one of the causes listed above is present. A backfire is a symptom of a serious problem and the car should not be driven at all until the cause of the backfire is found, so that the engine is not permanently damaged (unless it has already been destroyed).

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1996 gmc c 1500 won't start back fired & died & red light us on on my hyper teck power tuner


Sounds like your timing chain has jumped out of time, if the timing chain is old, the chain jump a few teeth putting it out of time having it fire at the wrong time when the exhaust valve is open. Check timing by pulling #1 plug - bring #1 piston to the top and line up timing mark , Ifind it easy to put thumb over spark plug hole and have someone bump the engine over and feel the pressure relief stop before you feel vacumm - timing mark should line up if the timing hasn't jumped

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Way to set timing for cam shafts on a 2002 ford expedition triton 4.6l interference motor


Look up the order they fire in try to get 1 at top center with the other piston it fires with.

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1 Answer

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Hello
It sounds like timing belt has jumped a few teeth, This means the belt is old and strechedand needs replaced, If your getting spark its not broken yet, (Do not run car!!!!!!) This also changes the valve timing and you can blow the motor.

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89/98 olds. regency. its runs for awhile and then shuts off. it also backfires through the exhaust at high rpms


Probably timing. Aim a timing light at your crankshaft, and see if the mark is jumping back and forth irradically. It should be staying in one spot. If it's jumping around, your timing chain has jumped a cog.
If not the timing, then it's probably bad wires or improper firing order .

Jan 11, 2012 | 1989 Oldsmobile Ninety Eight

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Replaced timing belt now wont start and turns over fast is getting fire and fuel why wont it start


The belt is not installed correctly. When you removed the old one, one or both of the cams jumped from valve spring pressure and now you'll have to remove the front cover, re-time the cams to the correct position.

http://www.tracystruesoaps.com/tutorials/gen2tb/timingbelt.html

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