i replaced the harmonic balancer and now im getting codes for the 02 sensor and the crankshaft sensor and my car runs like crap which is more important and should be replaced first


Asked by Jul 18, 2016 at 04:26 AM about the 2001 Pontiac Grand Am SE

Question type: Maintenance & Repair

1 Answer


The CKP sensor first it signal the engine at the most base level..Most times a CKP will cause a NO Start.

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