i have 1998 grand cherokee jeep larado, it idles high so i put new water pump,valve cover gasket and fuel pump, and it still goes dead and has high idle, the last time i got it cranked went a block and it went dead and brakes wouldnt catch had to tow it again,,, help

Asked by Jun 12, 2015 at 06:15 PM

Question type: Maintenance & Repair

2 Answers

6,795

Have it scanned, running like that it must have an engine light on

200

an engine with a vacuum leak that idle high suggest a bad map sensor. Scan the vehicle for map sensor codes. If codes shows up, replace the map sensor.

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