Crank, No spark, no fuel???

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Jul 6, 2018 | 04:39 PM

Nikolasbarrios

Thread Starter

Newbie

Joined: Jul 2018

Posts: 3

Likes: 0

From: Newark, TX

Year: 1998

Model: Grand Cherokee (ZJ)

Engine: 4.0

Crank, No spark, no fuel???

1998 Jeep Grand Cherokee Laredo
New Fuel Pump
New Battery
New cables
Full tank of gas
New Crank Sensor
All fuses are good
Cranks strong
Grounds at coil, battery, altenator, and front fender are good.
Ran fine then replaced trans seals and fuel pump now it cranks but doesn't start.
No fuel and no spark.
If I jump the fuel pump relay I can turn on fuel pump and if I jump the ASD Relay I can turn on the injectors.
I can not communicate with OBD port but i do have power to scanner.
Volt gauge on dash says 9V.
(Not sure if problems are related).
Any info would help.

Last edited by Nikolasbarrios; Jul 6, 2018 at 06:03 PM.

Jul 9, 2018 | 10:41 AM

Nikolasbarrios

Thread Starter

Newbie

Joined: Jul 2018

Posts: 3

Likes: 0

From: Newark, TX

Year: 1998

Model: Grand Cherokee (ZJ)

Engine: 4.0

Hello????
Anyone???

Jul 9, 2018 | 01:25 PM

dave1123

Old fart with a wrench

Joined: Nov 2010

Posts: 14,398

Likes: 740

From: Manlius, east of Syracuse, NY

Year: 2000 XJ Sport & WJ Laredo

Model: Grand Cherokee (WJ)

Engine: 4.0L

On my gauge 9v is the bottom rest position. Have you checked actual voltage in the system?

Jul 10, 2018 | 11:11 AM

Nikolasbarrios

Thread Starter

Newbie

Joined: Jul 2018

Posts: 3

Likes: 0

From: Newark, TX

Year: 1998

Model: Grand Cherokee (ZJ)

Engine: 4.0

Thanks for the reply.
System voltage is above 12v.

Jul 10, 2018 | 02:02 PM

dave1123

Old fart with a wrench

Joined: Nov 2010

Posts: 14,398

Likes: 740

From: Manlius, east of Syracuse, NY

Year: 2000 XJ Sport & WJ Laredo

Model: Grand Cherokee (WJ)

Engine: 4.0L

Did you replace the torque converter seal? Meaning did you separate the engine and trans? You may have pinched the wire harness that goes behind the head.