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Professional Automotive Repair Technical Discussions for September 13, 2020 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1994 Chevrolet Blazer 5.7L Poor Idle Quality VIN: 1GNEK18K9R Thank you all for your assistance. We did try another rebuilt distributer and rechecked timing. Also cleaned ground at T-stat housing. Tried 20 hg with test pump on MAP during cold start. No change in performance. Still runs rich (rough idle) cold for about... Trouble codes: 33 (MAP sensor). |
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