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Old 03-10-2007, 09:23 PM
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DHMag DHMag is offline
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the preferred way of clearing OBD-I memory codes is to disconnect the code reader while its gathering(displaying) codes. i have found that disconnecting the battery only worksfor clearing codes if you leave it disconnected for about 5 days.

first, i would replace the ECT.

2nd, clean/reclean all EGR ports and passages and verify the EGR valve is operational.

3rd, clean the MAF.

then recheck codes.

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