Why will car not start after replacing engine
235

Asked by beachdreamer247 May 28, 2014 at 12:56 PM about the 2001 Mazda Tribute ES V6 4WD

Question type: Maintenance & Repair

Put another motor in and now it will not start, turns over, just won't start without a good bit of help.  Have to turn the switch back and forth several times and have someone under the hood press the throttle, all while hooked up to a jump box, battery is good, starter is good and car runs good after it does start, but can't just turn the key and start it.

7 Answers
235

beachdreamer247 answered 9 years ago

Has one practically brand new and no codes. Replaced thermostat, and seemed to help a lot, now when it starts it runs really rough. 2 of the cylinders aren't working, tried switching coil packs, same 2 cylinders not firing. Any ideas on what could cause the cylinders to not fire, spark plugs are new.

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10

Kamran555 answered 9 years ago

Check all coil first and make sure first that coils are working

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10

Kamran555 answered 9 years ago

If know spark pluge good coils spark good.still 2 cylinder not working ?plz do compression test it's easy each cylinder check is it compression is good?

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