Check engine light please help!!
04-01-2012, 10:45 PM
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Year: 97
Model: Grand Cherokee
Engine: 4.0 I6
Check engine light please help!!
So, last night I straight piped my muffler and put on a new tip. I also replaced my intake trumpet with 3" hose. I drove it around all today and about 30 mins ago my check engine light came on. Any ideas??
04-01-2012, 11:04 PM
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Originally Posted by McIntosh
So, last night I straight piped my muffler and put on a new tip. I also replaced my intake trumpet with 3" hose. I drove it around all today and about 30 mins ago my check engine light came on. Any ideas??
04-07-2012, 05:02 PM
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Year: 2002
Model: Grand Cherokee
Engine: 4.0L (AMC) Straight Six
Here's how to do a computer (OBD) code check on '93-'98 ZJ Grand Cherokees:
You turn the ignition like 3, 4, or 5 times, then count how many times the 'Check Engine' light flashes. When it stops flashing and remains illuminated, that's your first number. Repeat for the second number. Once the light stops flashing the second time, that's your second number, and that's your code. If the light starts flashing again, there's more codes in the computer. Then you can search Google for "Grand Cherokee OBD Code List" to find the matching code or codes.
You turn the ignition like 3, 4, or 5 times, then count how many times the 'Check Engine' light flashes. When it stops flashing and remains illuminated, that's your first number. Repeat for the second number. Once the light stops flashing the second time, that's your second number, and that's your code. If the light starts flashing again, there's more codes in the computer. Then you can search Google for "Grand Cherokee OBD Code List" to find the matching code or codes.
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