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Starts will not idle

Tiny
PZB145
  • MEMBER
  • 2000 INFINITI I30
  • 3.0L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 89,000 MILES
The car starts but will not idle, loses power and shuts off. I changed all the ignition coils, cam sensor, both crankshaft sensors, and the condenser and nothing has changed. Replaced the fuel pump initially because the car had been setting up for two or three years. I did all the check list on one of your pages and discovered that testing continuity from terminal 1 on the ECM using a Simson Analog Meter on lowest setting and I read only half dial on all wires to the coils.
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Tuesday, May 8th, 2018 AT 10:21 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,884 POSTS
Hello,

This sounds like a vacuum leak or the IAC motor is not working/dirty. Here are three guides to help us see whats going on:

https://www.2carpros.com/articles/stall-at-idle

and

https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge

and

https://www.2carpros.com/articles/how-to-replace-an-idle-speed-control-motor-iac

Please run down these guides and diagrams and report back.

Cheers, Ken
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Thursday, May 10th, 2018 AT 4:52 PM
Tiny
PZB145
  • MEMBER
  • 2 POSTS
I think the ECM needed to learn the Idle speed, it is running fine now, thank you very much.
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Wednesday, May 16th, 2018 AT 5:04 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,884 POSTS
Nice work, we are here to help, please use 2CarPros anytime.

Cheers, Ken
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Thursday, May 17th, 2018 AT 10:11 AM

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