Question about Cars & Trucks
Sounds like you may have a blown head gasket. Have you gotten it diagnosed professionally?
Posted on Oct 15, 2013
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Posted on Jan 02, 2017
My 97 Jeep Grand Cherokee was doing the same thing. I changed the TPS ( Throttle Position Sensor) Now it is great goes into overdrive fine. It is really easy to change.
Posted on Feb 11, 2009
check the differential fluid in the rear differential. if the fluid is low, add fluid and see if the noise is still there, if the fluid level is ok see if the fluid appears metallic, if it is metallic looking or excessively thick it would be a good idea to have the bearings checked out. i am in the process of rebuilding a front differential on a 98 jeep grand cherokee for the same problem. the bearings inside the differential on the carrier and pinion gear were worn out causing a humming noise. if the wear is excessive the gears might also need to be replaced
Posted on Feb 17, 2009
Fuel filters are cheap and simple to change, so try that first. If that is not your problem it may be your catalytic converter. Before having that replaced, check your fuel return line. You should be able to blow thru the line with your mouth. If you can't, or it's really hard to do. . . then you have blockage. The blockage could be flooding your engine with fuel. Checking the fuel pressure with a gauge from an auto parts store may help you out. If the pressure is really high, then that may be your problem.
Posted on Apr 20, 2009
The exact placement of the throttle position sensor generally is located on the side of the throttle
body below the air intake tube on top of the engine.
To replace simply remove the air intake duct (usually one plastic screw), locate the sensor, disconnect wire plug in, remove the two sensor mounting screws (torx screw variety, size not remembered) and the sensor will come off. When replacing be sure to line up the throttle shaft with the proper groove inside the sensor...it should just slip in there pretty easily with a little bit of wiggling. Reinstall doing the reverse of the above.
Take's about 5 - 10 min to replace from start to finish and remember to clean the throttle body before starting this job to ensure no dirt will enter the engine. Good luck, Merry Xmass
Posted on Dec 24, 2009
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