no injector pulse what can it be?

2001 VOLVO S80
Avatar
GOODWRENCH
  • MEMBER
  • 3 POSTS
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
Aug 27, 2012 at 9:08 PM
Advertisement
Avatar
SATURNTECH9
  • CERTIFIED EXPERT
  • 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,
Aug 28, 2012 at 12:13 AM
Avatar
GOODWRENCH
  • MEMBER
  • 3 POSTS
Thank you very much, you guys are the bomb it was the relay. Talk to you soon!
Aug 30, 2012 at 9:20 PM
Advertisement
Avatar
SATURNTECH9
  • CERTIFIED EXPERT
  • 30,869 POSTS
Your welcome that's what were here for checked the injector harness for chaffed or grounded wires just in case.

Aug 31, 2012 at 1:42 AM