Cranks but no start

05SEDONA

MEMBER
2005 HYUNDAI ACCENT
1.6L
4 CYL
2WD
AUTOMATIC
189,000 MILES

I have no spark, no fuel, timing belt good. Replaced crankshaft sensor, but still no start. Took to garage and it started, drove home and parked it. No start the next day. Do you have any ideas?

Tuesday, April 17th, 2018 AT 11:02 AM

2 Replies

KEN L

MASTER CERTIFIED MECHANIC
42,961 POSTS

Hello,

It sounds like you have a PCM relay that is going bad. Here is a guide to help you test the relay:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

We should run the codes as well.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Here is the location of the relay and the engine wiring diagrams so you can see how the system works.

Check out the diagrams (below).

Please let us know what you find. We are interested to see what it is.

Cheers, Ken

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Thursday, April 19th, 2018 AT 10:46 AM

KEN L

MASTER CERTIFIED MECHANIC
42,961 POSTS

Hello,

It sounds like you have a PCM relay that is going bad. Here is a guide to help you test the relay:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

We should run the codes as well.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Here is the location of the relay and the engine wiring diagrams so you can see how the system works.

Check out the diagrams (below).

Please let us know what you find. We are interested to see what it is.

Cheers, Ken

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Thursday, April 19th, 2018 AT 10:46 AM