Need help. P1637 code
08-16-2004, 11:22 PM
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Need help. P1637 code I had mt tranny pulled to replace the rear main seal. When I got it back from the shop the next day the car started to act funny. It stutters and threw a P1637 code. Now everytine I drive it and put a load on it it throws the SES light or check engine light. I changed the alternatorand the proble is still there. Any Ideas what it could be?
