Is there a diagnostic test performed on a car that wont start. Does a scanner work without engine running?

135

Asked by Sep 04, 2014 at 04:07 PM about the Mercury Cougar

Question type: Maintenance & Repair

My 2002 Couga 2.5 wont start.Its getting fuel and spark. Ive changed the crank and cam
sensors. A new fuel filter and checked fuses and wiring. To check if its jumped time,Is
there a diagnostic test performed on a car that wont start. Does a scanner work without
engine running?

2 Answers

100,345

Yes a good scanner will, if your looking to buy one get one that has "live data" capabilities.

1 of 1 people found this helpful.
70,255

You can also check if it's jumped timing the old fashioned way.Run a compression test. If all cylinders test low it's jumped timing. HTH. -Jim

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