Question about Toyota Celica

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Doing a tuneup on a 1991 toyota celica. replaced plugs, wires, rotor and distrubutor cap. just bought car and it was running rough - plugs were carbon fouled, continuity of wires was poor, so tuneup was definitely needed. I carefully replaced wires and plugs insuring proper placement. now it wont start - it coughs and almost backfires when trying to start. I couble checked all wiring again, and made sure cap wasn't 180 degrees off but it can only be installed one way. Help!

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  • 249 Answers

Coughs and backfires is definitely a timing problem. Without a timing light..you can get the timing pretty close...Loosen the distributor bolt and move the distributor a bit one way and tighten the bolt slightly and try to restart the car. Note, if it starts or gets better..in other words by moving it the way you did, did it try to start easier or did the coughing and backfiring get worse. If not continue ever so slightly in the direction you moved it, till the car starts and and is running. If it gets worse moving it in the direction you started with, move the distributor the other way and do the same as listed above.

This is not the absolute 'Right Fix' so to speak, but will definitely get the car to a point where you should get it running.

Posted on Nov 19, 2013

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Posted on Jan 02, 2017

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SOURCE: Rough Idle on 1984 Toyota Celica Supra

You said you replaced the plugs - did you use the toyota platinum plugs? I found out the hard way that even the platinum plugs from bosch or any other kind of platinum plug just doesn't work right. Yes, they are more expensive from toyota, but they can make a difference in the way the engine runs.

Posted on Jul 26, 2008

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SOURCE: car wont start, not getting spark

crankshaft sensor, or computer on toyotas then it was usually the distributor or the computer, but the crankshaft sensor might be bad too thats what helps to get you spark.

Posted on Jul 31, 2010

SOURCE: Ford F150 engine backfiring, running/idling rough

I Have a 1999 ford f150 4.6 that back fires and is just running really ruff when idling alot of nack fire a sord of like a pulse going on what is my problem?

Posted on Oct 12, 2011

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