Where is the O2 sensor on a Jeep Cherokee?
– Holley part #543-105 is an idle air control motor for Holley’s pro-injection system and will swap for this part for around $28 at AutoZone vs. $125+ at the dealership! Located in the exhaust manifold. To test, using an ohmmeter, disconnect the O2 sensor connector.
Why does my Jeep stall when I start the engine?
If it starts, the fuel pump is the problem. If not, the engine should be checked for spark. It could be a sensor or computer-related problem. To be absolutely sure, raise and support the back of the Jeep on jack stands, unless the height allows you to crawl under the back without raising it.
How to test engine resistance on Jeep Cherokee?
To test, using an ohmmeter, disconnect the O2 sensor connector. Connect the ohmmeter test leads to connector terminals A and B of the sensor connector. Resistance should be between 5 and 7 ohms. Replace the sensor is the ohmmeter displays and infinite reading. I don’t know about you, but this test is pretty vague.
Where is the ballast resistor on a Jeep Cherokee?
The white object to the valve’s right, held in place w/ a single screw in it’s center ‘nub’ with the two orange wires going into it is the ceramic fuel pump ballast resistor. The ballast resistor is a source of intermittant stalling / hard start issues as well.
– Holley part #543-105 is an idle air control motor for Holley’s pro-injection system and will swap for this part for around $28 at AutoZone vs. $125+ at the dealership! Located in the exhaust manifold. To test, using an ohmmeter, disconnect the O2 sensor connector.
To test, using an ohmmeter, disconnect the O2 sensor connector. Connect the ohmmeter test leads to connector terminals A and B of the sensor connector. Resistance should be between 5 and 7 ohms. Replace the sensor is the ohmmeter displays and infinite reading. I don’t know about you, but this test is pretty vague.
If it starts, the fuel pump is the problem. If not, the engine should be checked for spark. It could be a sensor or computer-related problem. To be absolutely sure, raise and support the back of the Jeep on jack stands, unless the height allows you to crawl under the back without raising it.
Is the Jeep Grand Cherokee 4.0 6 cyl fixed?
Although I’m withholding final judgement–the beast is fixed! Anyone who knows me knows I’ve had problems with my 1995 Jeep Grand Cherokee Laredo 4.0 6-cyl for what seems like ages. It’s been having issues (well, one issue in particular) since at least fall of last year.