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No injector Pulse what can it be?

Tiny
GOODWRENCH
  • MEMBER
  • 2001 VOLVO S80
I have a 2001 volvo s80 2.9 and it wont start. It has fuel presure & turns over but wont start. Its saying no injector pulse. Wat should I check that will make it do that? Im puzzled! Plz help
Monday, August 27th, 2012 AT 9:08 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The first thing I would check is the engine control relay it sounds like it has gone out.

Here is a guide and some wiring diagrams so you can test and confirm the failure.

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

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

here is the test for the injectors.

https://www.2carpros.com/articles/how-to-test-a-fuel-injector

Please let us know what happens so it will help others.

Cheers,
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Tuesday, August 28th, 2012 AT 12:13 AM
Tiny
GOODWRENCH
  • MEMBER
  • 3 POSTS
Thank you very much, you guys are the bomb it was the relay. Talk to you soon!
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Thursday, August 30th, 2012 AT 9:20 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Your welcome that's what were here for checked the injector harness for chaffed or grounded wires just in case.
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Friday, August 31st, 2012 AT 1:42 AM

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