Jetta cranks but dosent Start.

RAY1979

MEMBER
2001 VOLKSWAGEN JETTA
170,000 MILES

I have a 01 jetta and it will sometimes start right up and other times it will crank and wont turn over. For example went to the bank, no prob. Went to leave the bank and the car wouldn't start. I waited a few minutes trying here and there to start the jetta, it wouldn't turn over. Then it finally started. A computer reader said it had something to do with the ignition but I have limited funds. I was just trying to see if someone could help me pin-point the problem. Thanks

Friday, November 4th, 2011 AT 6:15 PM

2 Replies

RASMATAZ

MECHANIC
75,992 POSTS

https://www.2carpros.com/articles/car-cranks-but-wont-start

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, Do you hear the fuel pump come On when you turn key on? If not check fuel pump fuse and fuel pump relay if okay-check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs,coil's resistances,cap and rotor,distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it and keep testing

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Friday, November 4th, 2011 AT 7:38 PM