1999 Saturn SW2 What would cause car to suddenly crank but not turn over

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What are the best Saturn repair shops?

RepairPal Certified shops can diagnose and repair your 1999 Saturn SW2. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

CPS was replaced in February as a result of a OBD 2 code. The car's behavior is puzzling. As I wrote, car was running fine till Sunday--crank but would not turn over. Tried again last night and car turned over fine--ran quite smoothly. Scanned and it's throwing no codes.

ziptie12on Apr 14, 2015

Do you still have the old crank sensor? Is the new one under warranty?

Saturn dadon Apr 14, 2015

No, I don't have the old sensor but the new one is still under warranty. If CPS was bad, I would assume that I would get a OBD code.

ziptie12on Apr 14, 2015

NEVER assume........NEEDS to be running before it sees that there is no signal, in many cases. OBD codes are for diagnosis , not a specific part failure always.

Mr. Jerryon Jun 15, 2015

I had the same problem with my 2000 lw2. I replaced the timing belt and the problem went away. Be adivised with the 3.0 six it is recommended to replace the timing belt every 60,000 miles. When was the last time your belt was replaced? Mr. Jerry.