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#1
11-09-2004, 02:03 PM
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wHAT POSSIBLE CUASES FOR A CHECK ENGINE LIGHT?
97 Malibu 3.1 with 75k miles. I did my injectors a couple of weeks ago but hardly drove it, maybe 35 miles in all, and the check engine light came on. I have run into this on my Z28 with a bad smog pump, and a loose gas cap, but what other things set it off?
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#2
11-09-2004, 04:07 PM
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Re: wHAT POSSIBLE CUASES FOR A CHECK ENGINE LIGHT?
Tough question. The possibilities are endless. Best thing to do is take it to a place where they'll pull codes for free, like autozone. Last time I replaced injectors on one of my buddy's cars, it took a day or two for the check engine light to go away after the new injectors were in. Don't know what else to tell you besides to get codes read.
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#3
11-09-2004, 11:12 PM
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Re: wHAT POSSIBLE CUASES FOR A CHECK ENGINE LIGHT?
When's the last time you replaced the air filter?
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#4
11-09-2004, 11:26 PM
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Air filter has only 3k miles on it or so. 0 2 sensor maybe. Would be nice if it just disappeared on it's own but I don't have that kind of luck
 Wil see about a cheap option for getting codes read. Thanks guys.
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#5
11-10-2004, 01:21 PM
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Re: wHAT POSSIBLE CUASES FOR A CHECK ENGINE LIGHT?
Quote:
Best bet is to have the code pulled. This will determine what circuit or componant may be causing your SES light to come on. Causes for a SES light....sensor failure, controlled parameter out of specs, numerous wiring issues....
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#6
11-10-2004, 05:13 PM
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Re: wHAT POSSIBLE CUASES FOR A CHECK ENGINE LIGHT?
And today the check engine light is off. is it possible that the ECU was confused by going from the old f@cked up injectors to the rebuilds?
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#7
11-10-2004, 06:59 PM
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Re: wHAT POSSIBLE CUASES FOR A CHECK ENGINE LIGHT?
yeah. I don't know if it was "confused" per se, but It sometimes can take a while for it to know that there isn't anything wrong anymore.
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#8
12-02-2004, 07:43 PM
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Re: wHAT POSSIBLE CUASES FOR A CHECK ENGINE LIGHT?
Go to AutoZone, they check for free.
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