Where is the fuel injection connector on a Jeep Grand Cherokee?
1993, 1994, 1995 Jeep Grand Cherokee 60 Pin Connector (4.0L) The fuel injection computer (known in tech speak as the PCM = Powertrain Control Module) is located on the firewall (passenger side) of your Jeep Grand Cherokee.
How to troubleshoot a bad fuel injector in a Jeep Wrangler?
TIP 1: The engine in your 4.0L Jeep Cherokee (Grand Cherokee, Wrangler) needs to be at operating temperature to get an accurate snapshot of the condition of the fuel injectors. TIP 2: If your Jeep doesn’t start, you don’t have to worry about performing the test with a warmed up engine.
What’s the pin out on a Jeep Grand Cherokee?
You can find the 1996-1998 4.0L Jeep Grand Cherokee PCM connector pin-out charts here: PCM Pin Out Chart (1996-1998 4.0L Jeep Grand Cherokee). Here are some very important safety precautions when testing the wires coming out of the 60 pin PCM connector.
When did Jeep Grand Cherokee PCM connector come out?
You can find the 1996-1998 4.0L Jeep Grand Cherokee PCM connector pin-out charts here: PCM Pin Out Chart (1996-1998 4.0L Jeep Grand Cherokee).
1993, 1994, 1995 Jeep Grand Cherokee 60 Pin Connector (4.0L) The fuel injection computer (known in tech speak as the PCM = Powertrain Control Module) is located on the firewall (passenger side) of your Jeep Grand Cherokee.
Why does my Jeep 4.0L have no start?
CASE 2: Spark was NOT present in all of the cylinders (DISTRIBUTOR TYPE): This test result tells you without a doubt that the no start condition of your 4.0L equipped Jeep is due to a malfunction in the ignition system. Now, with no spark in any of the engine cylinders, this what I would suggest:
You can find the 1996-1998 4.0L Jeep Grand Cherokee PCM connector pin-out charts here: PCM Pin Out Chart (1996-1998 4.0L Jeep Grand Cherokee). Here are some very important safety precautions when testing the wires coming out of the 60 pin PCM connector.
You can find the 1996-1998 4.0L Jeep Grand Cherokee PCM connector pin-out charts here: PCM Pin Out Chart (1996-1998 4.0L Jeep Grand Cherokee).
What are the pins on a 1993 Jeep Grand Cherokee?
1993, 1994, 1995 4.0L Grand Cherokee 60 Pin Connector Pin Wire Color Description 1 RED/WHT MAP Sensor Signal 2 TAN/BLK ECT Sensor 3 PNK/BLK RED Battery Power ( 1993 Only) Battery Power 4 BLK/LT BLU Sensor Ground
Why does my Jeep Cherokee crank but not start?
Re: Cranks but will not start, no PCM function. You still don’t have spark or injector pulse; this should be looked into first. It still could be a bad crank sensor. The crank sensor sends the pulse to the PCM and then it sends the signals to the proper areas like spark, fuel relay, and injector pulse.
Why does my Jeep Grand Cherokee not have a PCM?
One common problem that affects Jeep PCMs – particularly PCMs for the Jeep Grand Cherokee – is poor soldering on the 5-volt power connection. If all other tests have failed, you can try re-flowing the solder. We’ll go over this process in the next section.
Why does my Jeep Cherokee have no spark?
I have no communication to the computer with a scanner, no check engine light, no 5 v reference, no spark. I have tried to manually pull codes with the key. The dealer says that it does not have an immobilizer by the VIN number. I have power and grounds to the PCM connectors.
How to reset your Jeep ECM ( Engine Control Module )?
Here is a little summary of it , the ECM is the brain of the vehicle and just like everything else you’re going to have to reset it and test it to make sure it’s in a great working condition. To reset your Jeep ECM you’re going to have to follow a couple of easy steps and you’ll be done before you even know it.
Can you test a 60 pin PCM on a jeep?
Here are some very important safety precautions when testing the wires coming out of the 60 pin PCM connector. If one or any of the wires on your Jeep Grand Cherokee DO NOT match the color stated in the pin out charts, then you should not use the pin out charts in this article.
Why does my Jeep 93 engine not start?
93 4.0l engine won’t start (usually) SOLVED!! Jeep died the other day. Just quit. Classic Crankshaft Position Sensor symptoms, Right? Replaced the replacement CPS, still nothing. Swapped out PCM (ECM, ECU) Still the same. My problem is similar to others here, but mine will start sometimes. Completely randomly. Cranks fine.
What should fuel pressure be in Jeep 93?
Put a pressure gauge on the system, pull the vacuum line of thr pressure regulator and & see what the total fuel pressure is. Should be 39 psi, 31 psi with the vacuum line attached to the regulator. r u using jeep factory parts or after market parts?? cam sensor… in the distributor. *Getting good spark, so Guessing it’s not the coil.
Where is the engine control module on a jeep?
The Jeep Engine Control Module, known as the PCM (Powertrain Control Module) ECU (Electrical Control Unit) or to simply it put the Automotive Engine Computer.
What happens if I Reset my Jeep ECM?
To finish off this post , here are a couple of things you should keep in mind. Resetting your Jeep ECM will not have any effect on your vehicle’s mileage, Resetting it should not cause any issues between your other module so feel free to this as many time as you want if you’re trying to diagnose a problem with your car. For good measure.
Why does my Jeep Grand Cherokee stall at high idle?
So i have had the same issue
How to troubleshoot electrical problems on a Jeep Grand Cherokee?
Troubleshooting electrical problems on a Jeep Grand Cherokee requires the use of a voltmeter with an ohm scale. A wiring diagram for the vehicle is a major help for harness problems and for computer related problems.
What causes a Jeep Grand Cherokee to stop firing?
1996 Jeep Cherokee 4.0. Cuts off while driving. Losing signal to fire between distributor and computer. When running stops firing and loads up with gas and starts back backfiring exploding the muffler. My jeep has been to 7 different shops. Every wire has been traced down and connectors checked.
What kind of engine control does a Jeep Grand Cherokee have?
Thanks to your Grand Cherokee, you’re able to get off the beaten path while still traveling in comfort and style. You expect your vehicle to always perform at its best, so get a new Jeep Grand Cherokee engine control module to ensure that the information collected by your Jeep’s sensors is properly interpreted by your engine.
Why is the throttle position sensor on my Jeep Cherokee not working?
Note 1 – The Throttle Position Sensor is VERY sensitive to poor grounds and the connector to the TPS often gets oxidized by moisture infiltration. Go down to your local auto parts store and pick up a generic, pre-made battery ground cable that has an ‘eye’ on both ends.