Car cranks but won't start

Tiny
JAG6492
  • MEMBER
  • 2001 HONDA CIVIC
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 138,000 MILES
01 civic cranks but won't start. It just started one morning with out any prior problems. Don't have spark in any of the cylinders. Fuel pressure is within specs. Connected noid light on each injector and none of them lights up when cranking the engine. Timing belt in good condition and not slipping. All fuses/relays in good condition(working). CMP sensor is about one year old. Compression is 130psi in 3 cylinders and about 110 in one. Jag. Auto. Tech@gmail. Com
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Friday, July 29th, 2011 AT 2:11 AM

2 Replies

Tiny
2CEXPT
  • MEMBER
Hello,

There are 2 PGM FI relays that need to be checked because it sounds like on of them is not working here is a guide to help you do some testing.

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 are the engine wiring diagrams so you can see how the system works and the relay and fuse locations which also should be checked.

Check out the diagrams (Below)

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

Cheers
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Friday, July 29th, 2011 AT 2:35 AM
Tiny
JAG6492
  • MEMBER
Thanks, but Im stuck. The coil on plugs have 3 wires(power, ground, and v-ref). Its getting 12.54v to each plug and ground, but not spark. All I have left, I think, to check is the CKP and ECM. Oh, and what could be making the injectors to don't work neither? I gave it some thought and checked the PGM FI relay and it was hot to the touch so I replaced it now the engine started and runs great! Thanks for the diagrams.
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Friday, July 29th, 2011 AT 2:48 AM

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