Cranking ,motor not staying ignighted

Asked by Joeguru109 Jul 22, 2018 at 11:32 PM about the 1993 Jeep Grand Cherokee STD 4WD

Question type: General

I've replaced crank sensor but no power to sensor
atleast not 14 volts to plug on sensor, and the coil
is firing at plugs ,and still not running ,all fuses
good  and relays. Please help.

1 Answer
43,030

Hornet_2497 answered 5 years ago

If you have spark and it won't run then it might be a fuel problem. Look for 60 psi pressure on the fuel rail. Sensors in that era ran on 8 volts but zero volts is not good. Scan for codes. And there is a camshaft sensor, easy to reach @ distributor, that may control ignition and injectors. All these sensors are on Ebay for about $10.

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