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Check Engine light flashes

4 messages,  Last post on Apr 18, 2009 at 2:52 PM

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What is this discussion about? Isuzu Trooper, Electrical, Engine, Truck, SUV

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#1 of 4 Check Engine light flashes by grabber7 Apr 07, 2009 (7:15 am)
I have a 2002 Trooper, 85,000 miles. When I accelerate the check engine light flashes, when I let off of gas it goes away. Just a weeks prior to this problem I turned on my heater and my truck died. There were none of these problems until I changed the spark plugs and put a new battery in it a couple of weeks ago. The battery that was in it was too small. Would either of these changes cause these problems? Replies to this message: wlbrown9 (Apr 07, 2009 7:59 am) woodpusher (Apr 18, 2009 2:52 pm)
#2 of 4 Re: Check Engine light flashes [grabber7] by wlbrown9 Apr 07, 2009 (7:59 am)
Replying to: grabber7 (Apr 07, 2009 7:15 am) Troopers are real picky about the plugs you install. Stay with those listed in your owner's manual. My 2000 LS came with the following listed for use. I used the Champion RC10PYP4 that matched what came from the factory:   Manual lists: K16PR-P11 PK16PR11 RC10PYP4
#3 of 4 EGR on 2002 trooper by grabber7 Apr 15, 2009 (7:29 am)
Is it okay to clean EGR with carb cleaner?
#4 of 4 Re: Check Engine light flashes [grabber7] by woodpusher Apr 18, 2009 (2:52 pm)
Replying to: grabber7 (Apr 07, 2009 7:15 am) I am sure you did not disconnect the battery properly. When you did this You erased all the E.E.R.O.M Electrically erasable read only memory. I would not be surprised If the computer needs to be "reflashed" or reprogramed or even worse you might have done physical damage to the computer. Maybe if your lucky the PCM Power Train Control Module will re learn Its programed instructions. How do you know the battery was to small? Make sure you did not put a larger battery then needed compare the old and new battery. Hopefully you put O.E Orgnial equipment spark plugs in the car. There is a lot more to batteries, spark plugs and even air filters Nowadays. Every thing is tied into each other and the computer. I would suggest taking this to a shop. Hopefully this helped.

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