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1997 jeep grand cherokee starts but wont idle on its own

If you give it gas starts and runs great only as long as you keep giving it gas. as soon as you let off the gas doesnt matter which gear it dies.

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Hello;
It sounds as if you have a vacuum leak. It could be at the hose for the power brakes, pcv valve or the EGR Valve hose leaking. You may also have a bad fuel pressure regulator. Let me know if I can be of further assistance.
Thanks;
Rich
RPM Northwest

Posted on Jan 30, 2009

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