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Discussing Check Engine Light in the General Tech Forum. im sure this is just a glitch in the electrical system, but i had the ...

       

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Old January 17th, 2006, 10:56 AM   #1
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Check Engine Light


im sure this is just a glitch in the electrical system, but i had the diagnostics ran on my '95 and they came back clean, yet the check engine light stays on, how can this be taken care of
 

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Old January 17th, 2006, 11:01 AM   #2
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gas cap ... sometimes it can make the light turn on
 
Old January 17th, 2006, 12:09 PM   #3
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If your CEL is illuminated you are probably thowing some sort of code, I would take it back to have the code re-scanned, if there is no code they should be able to clear it.
 
Old January 17th, 2006, 05:04 PM   #4
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if the light stays on, there should be a dtc. either in memory or as a hard-fault. disconnect the neg battery cable for a few minutes and then drive the car and see if the light comes back on.
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Old January 19th, 2006, 03:10 PM   #5
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Originally Posted by Twist 2 Go
if the light stays on, there should be a dtc. either in memory or as a hard-fault. disconnect the neg battery cable for a few minutes and then drive the car and see if the light comes back on.
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Old September 12th, 2006, 12:54 PM   #6
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Can someone help I have a 98 3.8 and the check engine light is on I cheked the codes and is giving me po171 system too lean bank 1 and po174 system too lean bank 2

I already replaced all 4 h02 sensors and did a tune up including new fuel filter but I still get the check engine light even after resetting it will light up after driving it for about 2 or 3 miles
 
Old September 12th, 2006, 01:03 PM   #7
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vacuum leak or a bad maf sensor
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Old September 12th, 2006, 01:05 PM   #8
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that was what I was afraid off cause maf sensor is expensive and I dont know how to check for a vacuum leak
 
Old September 15th, 2006, 03:09 AM   #9
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ok I replaced the MAF sensor and the light stayed off for about 2 days but it all of a suden turned on again.
 
Old September 22nd, 2006, 12:35 AM   #10
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90% of the time your light comes on its something to do with air polution control. ide suggest checking for vaccum leaks
 
Old October 20th, 2006, 04:32 AM   #11
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Well its still giving me a code that reads system too lean bank 2 how do I fix this?
 
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