Mechanics

ENGINE PERIODICALLY MISFIRES

2000 Toyota Celica • 216,000 miles

Several months ago while driving on freeway, engine started hesitating, mission. The Engine check light flashed for a moment. I cleaned air intake and air flow sensor. Ran code that said no.2 cylinder was misfiring. I changed plugs and ignition coil on no.2. No problem for several weeks, then while driving it started all over again, but extreme misfiring. Drove car to Pepboy's to check, they couldn't get to it, started call and everything was normal. What is happening? Money is very tight.
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Zenone
August 30, 2012.




Intermittent misfiring could be due to a poor connection somewhere with ignition related components. Ensure the ignition coil connectors are all clean and secure.

Check the injectors wireharness as well. Try wiggling the wires slightly wne engine is running to see if any changes ocurs with idling.

KHLow2008
Aug 30, 2012.


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