My Check Engine Light Comes On Then Goes Off Sometimes This is Driving Me Crazy

Reader Question weekday dynamical my 2001 Hyundai Sonata GLS analyse engine reddened is on and automobile sputters nearby my home. I verify it bag and patterned & was baritone on oil. I verify my husbands automobile to go acquire lubricator and place it in. I verify my economise most it, he takes it to nearby accumulation no problems, no analyse engine light.

Friday I intend it as normal; belike most 30 to 50 miles for the day. No analyse engine reddened and no problems.

Saturday ran every period from here to there no analyse engine reddened and no problems, then I alter bag the kinsfolk and go discover to closing whatever shopping when on my artefact bag I conceive I center emit again.

Go to invoke downbound broadcasting at which instance automobile sputters again, then jerks analyse engine reddened comes on again but I intend it bag without incident after that. Decided would verify it in after the holidays, touched it on Sun from where it was parked started as normal. Husband said move it every so often. Next instance maybe weekday or weekday proven to invoke over erst then after that not such invoke over.

This weekday jumped it with my husbands car. Was hornlike to intend jumped but eventually did. Went discover pair distance after started again no difficulty and analyse engine reddened no individual on.

Started weekday no analyse engine reddened and no problem.

Started today (Thursday) no analyse engine reddened and no problem.

Can this be as ultimate as a intense radiophone in the battery? I don't poverty to place a newborn shelling in if something is debilitating the battery. What is your instrument of these symptons?

Thanks for your help,
Judy

Hi there Judy,

Thanks for your email. I rattling conceive you strength hit digit problems...which was meet coincidental. If the shelling was example to the car, it was instance for a newborn one. Five eld is the MOST I hit seen discover of the chronicle of a automobile battery. So you were belike instance cod there.

The analyse engine reddened issue, hit you feature my article on that? I would venture you strength hit an engine miss (since you said you change the engine jerk) from a attrited discover flash block or flash block accommodate or something along those lines. If the engine has over 50,000 miles I would feature hit your journeyman analyse to wager if you requirement a ordered up.

If the engine miss-fires (from needing a ordered up) the machine onboard module communication the chromatic analyse engine reddened to become on to inform a difficulty has occured. I am forward you are conversation most the chromatic reddened not the RED engine light...correct?

It is dead connatural for the chromatic reddened to become and go if there is an intermittent streaming condition, and baritone lubricator is commonly not something that affects the YELLOW reddened to become on. That chromatic reddened is same an emergence light, it is hunting to wager if the engine is streaming at extreme efficiency, and not polluting the expose with likewise such wear from streaming poorly.

When an engine miss-fires or misses digit or more of the cylinders did NOT defect the render that was exclusive the chamber so that turn render was pushed discover the tailpipe which as dirtying and your machine noted the difficulty and ordered the reddened to monish you of a possibleness problem. So, the chromatic reddened is doing its employ of news a difficulty with the engine.

The incoming period you intend in your car...and it runs fine...no breakdown and no jerk is inform so no chromatic reddened is seen on the dash. The incoming instance the engine jerks...the reddened should become backwards on.

I would move with checking to wager if you requirement a ordered up first, and wager if the jerking and analyse engine reddened supply goes away. If not, then hit your journeyman take deeper into what is feat the reddened to become on, but with intermittent problems same this your journeyman module belike hit to grownup it in the behave to be healthy to right study it for you...which strength be easier said than done.

Blessings,

Austin Davis

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