Engine will not fire up and run?

Tiny
RENEE
  • ADMIN
Hello Scott,

Here is a helpful link to an article from this site explaining the process of checking the fuel pressure yourself. If you decide you would like do this yourself you can purchase a fuel pressure gauge online from sites like Amazon.com.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

Thank you for visiting 2CarPros.com.

Kindest regards,

Renee
Admin
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Thursday, September 24th, 2020 AT 6:36 PM (Merged)
Tiny
AL514
  • EXPERT
Do you have the means to check for spark also, making sure all your wires are on tight and not connections to the coil or ignition module are loose.
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Thursday, September 24th, 2020 AT 6:36 PM (Merged)
Tiny
BODOG
  • MEMBER
  • JEEP WRANGLER
98 Jeep Wrangler, odo 79,000
Manual, 4.0
I drained the fuel tank out of fear someone had put something in the tank because we saw someone in the middle of the night out by it. This is a new car for us so I immediately drained the tank just in case. Jeep ran perfect before this. I jumped relay with a wire to drain the tank. Luckily nothing was in the fuel. I reconnected the relay put a quarter of a tank of new fuel in just in case & now it will not start & service engine light is on. I have tried another relay per a mech at the dodge dealership to check to see if the fuel would pump it does not. If I reconnect just the jumper wire it pumps fuel. But with relay in it does not. Please help.
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Thursday, September 24th, 2020 AT 6:37 PM (Merged)
Tiny
FISHERMAN
  • MEMBER
Hello !

Have you check the fuses?

How do you "jump" the relay to start the pump?

Did you "touch" the coil connectors on the relay base?

Could be a bad efi fuse. Or a powertrain control Module fuse.

Check those and let us know on your findings!

Good luck!
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Thursday, September 24th, 2020 AT 6:37 PM (Merged)
Tiny
FISHERMAN
  • MEMBER
Hello !!

Thanks for your Pm

Here you have the wiring schematics:


https://www.2carpros.com/forum/automotive_pictures/576_98_wrangler_1.jpg




https://www.2carpros.com/forum/automotive_pictures/576_98_wrangler1_1.jpg



Like I told you I really hope that the problem its just a blown fuse..

Let us Know on your findings!
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Thursday, September 24th, 2020 AT 6:37 PM (Merged)
Tiny
JEEP
  • MEMBER
  • JEEP WRANGLER
I have an 89 Jeep Wrangler, 2.5L 4cyl with 205,000 miles. It is in great shape! However, it sat in storage for 1 year unused. I had to jump start it to get it started so I could remove it from storage. It started fine and ran for about 10 minutes and died. I have not been able to start it since. The engine rotates normally, but will not start. I replaced the battery, oil/filter, spark plugs/wires, distributor cap/rotor, drained as much of the old fuel as possible and replaced it with new. None of that seemed to change the symptoms. I used starting fluid to try to get it to start and it did not work either. The engine just keeps rotating, but it never starts! Please help!
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Thursday, September 24th, 2020 AT 6:37 PM (Merged)
Tiny
MERLIN2021
  • EXPERT
You have to test for spark, gas and compression, in that order, then let me know wich it's not getting.
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Thursday, September 24th, 2020 AT 6:37 PM (Merged)
Tiny
MINNESOTA
  • MEMBER
I had a similar issue with my 1996 cherokee last year. The vehicle ran great for months and then just wouldn't start one day.

I had to replace the BRAIN $$$ (computer) and have had no problems with starting the vehicle since. Hope this helps.

Minnesota
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Thursday, September 24th, 2020 AT 6:37 PM (Merged)

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