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92 Dodge 350 Van Check engine light comes on sometimes but when motor turned off may not come back on for several weeks Why?
could be a number of things, need to slef computer check, by turning the key to the on position then off, then on again, then off again, and on but leave it on the thrid time, watch your dit read out where your milage counter is, the codes will flash and when "done" flashes, the computer is done of self check mode. computer will hold codes im memory for a long time, check on web sites for what coades are what, and when fixed, diconnect the battery for about 2 mins to reset the memory of the computer. good luck
To figure out the codes (flashes) when you do that, it will begin by flashing once, wait a second, then flash twice (code 12) that's the beginning of the test. There will be a few second delay between the code numbers. The last one will be code 55 (meaning end of test). Several places have the meaning of the codes but an occassional check engine light is most likely the oxygen sensor. Its rather common. Usually code 21.
What else can I help you with?
What could be the problem in a 1998 lumina that has a growling noise when ever accelerating and sometimes when the AC is turned on high?
Several things could be making the Lumina growl. Check the belts and pulleys on the front of the engine. Check the engine mounts as well. Either of these areas can cause the problem of the growling noise.
How do you get your check engine light turned off?
When a check engine light comes on, it means that there are issues with the engine. It gets turned off when the person resolves the problem that caused it to turn on.
Check engine light comes on when key turned on but not coming on once engine is turned on why?
It is not supposed to be on when engine is running unless there is a problem.
How to reset the engine check light?
The same way you turned it on
Why is the check engine light on when nothing is wrong on 97 Montero?
Not sure if this relates to your situation, but my 97 Montero Sport is notorious for activating the check engine light when I have not turned the gas cap until it clicks several times. I was warned about this when I bought it - not sure if it was more sensitive in that year. In fact, sometimes after it comes on I go and re-fuel, re-tighten the cap, and it goes off on its own...
What should you do when your car says 'Check engine'?
Use an OBD code scanner to find out why the computer has turned on the check engine light.
Why is my Check engine light turned on and smoke coming from oil filler cap?
check your oil level?
What does the lighting bolt mean on dashboard display?
My girlfriend told me the Lightning Bolt was lit on her New Beetle dash. I did not know what it was and could not look at it for several days. It turned out to be the Check Engine Light. It has a Lightning Bolt across an engine symbol
What does the symbol that looks like an engine mean?
check engine light. it means you should eather check your "codes" or go to an auto shop and tell them your check engine light is on. sometimes its free.
Car shakes when turned on. engine light starts blinking on and off?
If the check engine light is blinking that means an engine cylinder misfire has been detected
What is wrong if the check engine light comes on at idle and the engine run rough on a 1994 Mazda 929?
Check the engine oil, sometimes when the oil is low the check engine light comes on while sitting still and goes out when you accelarate.
Why does the check engine light come on after putting car in drive and reverse several times?
You have to get the engine looked at.
