1998 Grand Laredo fuel pump relay intermittent prob
05-05-2018, 05:48 PM
#1
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Location: Aurora, Oregon
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Year: 1998
Model: Grand Cherokee (ZJ)
Engine: 4.0
1998 Grand Laredo fuel pump relay intermittent prob
I have a 98 Grand Cherokee that I use as a daily/wheeling rig, last trip to go wheeling it stalled out on the way. Found I wasn't getting fuel, replaced the fuel pump but noticed my wiring harness wires were split almost completely apart. I picked up the factory harness at pick apart and spliced it in. Now my fuel pump relay will allow the pump to prime but won't continue to run after cranking. Replaced pump relay, still same problem, at a loss.... bypassed pump relay and she fires and runs like a champ! Been through one PCM/ECM had it VIN flashed at Dodge 2yrs ago, probably my problem again but figured I'd post and get some cheaper fresh Ideas before I spend the money on a new brain lol
05-07-2018, 04:13 AM
#3
CF Veteran
Zounds, man! I think the ASD relay comes into play here too, was just reading the fuel section last night in my factory service manual....
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