Engine will not stay running

NEILTRUCK83

MEMBER
1998 MITSUBISHI CHALLENGER
3.0L
6 CYL
4WD
MANUAL
300,000 MILES

The car just got a new battery and starts but shuts off straight away and won't idle. I can't hear the fuel pump kick in when I turn the key, so I'm wanting to check the fuel pump relay/fuse before I order and replace the fuel pump itself.

Can someone tell me where the relay might be and what It looks like?

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
47,526 POSTS

To see if it is the fuel pump spray starting fluid into the intake to see if the engine keeps running. Is the security light flashing when you try to start it? If so, this guide can help to reset it. Also, we should run the codes to see what comes up.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

and

https://www.2carpros.com/articles/how-to-reset-a-security-system

Please run down these guides and report back.

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Friday, June 10th, 2022 AT 10:08 AM

NEILTRUCK83

MEMBER
2 POSTS

Ken, thanks for the Tip. I'm certain that the fuel pump is the issues as I can't hear it operating when my mate turns the key. I simply want to check the electrical side of the system to see if the pump is getting power before I have to pull the tank out and replace the pump.

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Friday, June 10th, 2022 AT 1:09 PM

KEN L

MASTER CERTIFIED MECHANIC
47,526 POSTS

Yes, here ae the engine wiring diagrams and a guide to help you test the connections:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (below). Please let us know what happens.

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