Question about Jeep Grand Cherokee

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98 Grand Cheeroke wont start in the morning when its cold out

I have a 98 Jeep Grand Cheeroke. Just replaced the fuel pump and fixed problem for a little while. Its been in the teens the past week or so and every morning my truck wont start. i have fuel pressure and the car cranks and tries to fire. Trying to jum it doesnt seem to help either. I added IsoHeet to it and sometimes it fixes it and sometimes it doesn't. The battery has around 10-12 volts when trying to start it. Also, i have a full tank of gas.
Any ideas?

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10-12 volts, that is low, have the battery load tested at a local parts store like Autozone, it's free.

Posted on Jun 08, 2017

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Posted on Jan 02, 2017

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MrScary66613

Travis Humphries

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SOURCE: truck will not start on cold mornings.

Check the Cold Cranking Amps on your Battery. Might Help to get a Better Battery. Interstate Batteries have NEVER Let me down.

Posted on Dec 31, 2008

Linh Thanh

  • 784 Answers

SOURCE: 2002 Toyota Corolla S. Replaced battery this

Look for a lose connection at the crank shaft sensor. This is a signal needed for obtaining tachometer as well as turning on the fuel pump.

Posted on Oct 14, 2009

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