Question about 1996 Jeep Grand Cherokee
Motor turns over good, battery good, fuses and breakers good.
I have no fuel pressure and no spark. No volt gauge and no gas gauge. I have swapped the pcm to my 97 grand cherokee and the pcm started my 97 just fine. swapped out ignition switch and that didnt work.
No volt gauge
No fuel gauge
scanner will not connect to obd hookup, says no communication.
PLEASE PLEASE HELP
My 1996 jeep is doing the same thing.the fuse I have been changing is under hood in fuse panel on left 20 amp sm. in center of fuse panel closest to bat.
Posted on Aug 22, 2008
Ok, I had a very similar trouble. It cost me a lot in diagnostic time, but here's what my mech. found.
Symptom, no fuel flow. I don't remember the guages status. Fuses and relays were good. but had blown fuel pump fuse in the past.
Found: Hose connector (A.C.) in vicinity of the fuse box under the hood. (underneath) was chafing the harness from the fuse block to fuel pump, guages, etc. wiggle adjustment temp fixed. Mech found short/ground/ exposed copper wire and repaired the connections. also, protected wire from future damage.
A poorly place connector / harness and vibration were the contributors to the incident. Fix was good and so far permanent.
Posted on Oct 03, 2008
Let me guess- your check engine light doesn't light either, does it? Unplug the crank sensor and turn the key on. If the check engine light comes on, replace the crank sensor and drive away happy. That's what I did. You can also verify the crank sensor by using an ohm meter- if you get a resistance reading, the crank sensor is bad. Good luck. I believe it's the black and red wire you need to pull the reading from- but honestly not positive.
Posted on Oct 08, 2008
You have a blown fuse in the POWER DISTRIBUTION CENTER I cannot find it in my database it will be a big maxi fuse that feeds all the sircuite you mentioned. call me at 253-235-0057
and I will try to talk you through it.or give me your # and I will call you I would like to help you
Posted on Aug 21, 2008
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Posted on Jan 02, 2017
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A car that cranks over but doesn't start or does not fire, in many cases will be
due to a bad fuel pump, a broken timing belt, an inoperative cam sensor or
crank sensor. Also this problems are related to faulty spark plug. Check the
spark at spark plugs when you start the car. Do you notice any spark. Actually
you should see. If in case there is no spark then it's a spark plug problem.
Also the coil pack gives power to spark plug. So check the voltage at coil
pack. It will show 12 volt.If there is no voltage noticed at coil pack then its
faulty coil pack that has to be replaced.If all the possible options checked
out ok then check the car starter. The starter gets power from battery to start
the care. If the starter is faulty then it will not let the car to start. Also
check and confirm that there is fuel in the car. If its very low fuel then in
some cases this causes the problem. Also check and confirm that fuel pump is
functioning properly and the fuel filter is not clogged. One of the easiest
ways to check for a fuel pump related problem is to spray a little starting
fluid into the air intake while trying to start the car. If the car starts
momentarily, then there's a good chance the fuel pump is not working or the car
is out of gas. You can also listen for the fuel pump's humming sound when the
key is first turned on. Also if a inoperative fuel pump is suspected, a good
technician will always check to verify there is power and ground being supplied
to the pump, to eliminate the possibility of a bad relay or electrical issue.
Fuel pressure can be checked with a pressure gauge and if there is pressure,
pulse can be checked at the fuel injectors in several ways including the most
common, with the use of noid lights. If the injectors don't have pulse the
engine won't start. ---------- This troubleshooting tips will help you to solve the
Nov 15, 2010 | 2006 Honda Accord
Sep 09, 2010 | 1997 Jeep Grand Cherokee
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