No start

Tiny
BERNIE N
  • MEMBER
  • 2004 BUICK RENDEZVOUS
  • 3.4L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 200,000 MILES
Hi, I have what seems to be a stumper. Our car had a stumble so I removed the coil to access the three rear plugs and now it will not start. The fuel pump kicks on but its not getting fuel to the engine as a squirt of starting fluid will start it. Are any of the plugs on the coil anything to do with injectors?
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Sunday, March 12th, 2017 AT 11:55 AM

6 Replies

Tiny
HMAC300
  • EXPERT
If the ECM does not see an ignition cycle the injectors will not turn on. check fuel pressure with a gauge as you should have that and then check for loose or disconnected wires as well as blown fuses under hood finally check fuel pump relay it will be in under hood fuse box. auto parts rent gauge for fuel pressure. See link.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
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Monday, March 13th, 2017 AT 7:33 AM
Tiny
BERNIE N
  • MEMBER
You can hear the pump cycle & it ran before moving the coil. I'm just wondering if any plugs from the coil cycle the injectors. Being in a hurry I never unplugged anything so I'm thinking I may have broke a wire somewhere, or is there a ground in the back that I can't see possibly?
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Monday, March 13th, 2017 AT 10:31 AM
Tiny
HMAC300
  • EXPERT
The grounds are mostly on the back of cylinder h eads and front so check those. Just because you can hear pump run doesn't mean it is giving sufficient pressure. So it should be checked
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Monday, March 13th, 2017 AT 12:17 PM
Tiny
BERNIE N
  • MEMBER
Thank you, I will test pressure just to be certain.
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Monday, March 13th, 2017 AT 1:09 PM
Tiny
BERNIE N
  • MEMBER
Sorry to reply late but its my day off. According to the gauge I have just shy of 50 psi when key is turned. As I said, this car ran before me removing the coil. Is there a way I can check injector pulse using a test light?
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Saturday, March 18th, 2017 AT 12:20 PM
Tiny
HMAC300
  • EXPERT
They have a noid light for that butonly that type of light. If it starts with ether then it's probably a pump you should have 52-59 psi with key on an d being shy of 50 is enough to not let it start.
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Saturday, March 18th, 2017 AT 1:39 PM

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