Question about 1997 Jeep Grand Cherokee

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Jeep struggles to start, could it be a map sensor going bad?

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It could be a problem with the sealed fuel filter which is in the tank .ive found that if you use that sea foam injector cleaner from the parts store it seems to work ..

Posted on Sep 18, 2010

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How do i know if my map sensor is bad .does it slow my speed down from picking up?


The MAP sensor can cause performance issues, and it will cause gas mileage issues as well. Go to Autozone or some other local auto parts store that offers free code reading. If the MAP is bad it will trip a code on the engine computer. The codes are symptoms, not necessarily direct answers. If a sensor is bad the code may say so, but it may indicate something that isn't obvious, but it's a start!

Feb 26, 2015 | 2002 Jeep Grand Cherokee

1 Answer

2003 Ford Explorer struggles to stay started and smells of rich gas. It has a new MAP sensor as of 6 months ago.HELP!


have the fault codes read as you may have injector problems from other sensors that are not working properly.

Apr 21, 2013 | 2003 Ford Explorer

1 Answer

No fire from coil- 1990 jeeo cherokee replaced coil, ignition module and coil pickup, what is left?


are you getting power to coils, if not it could be the ignition switch, one major sign of a bad switch is dash lights go off. vehicle may crank but not start,no current to fuel pump, stalling, failure to start.

Check the MAP sensor. To see if this is the problem, assuming that the Jeep won't start but is turning over, unplug the MAP sensor and then plug it back in. If you can start it now, the MAP sensor needs to be replaced. The MAP sensor is located in the engine compartment, where the firewall meets the body at the top of the engine compartment, on the driver's side. Good luck. check map sensor first!


Feb 13, 2011 | 1990 Jeep Cherokee Limited

1 Answer

My jeep takes a minute to start and every once in a while when im idleing it acts like its going to die but dont what could it be i already put a new battery in it


It could be an idle air sensor or a mass air flow sensor or a MAP sensor. Excapes me what the map stands for but most likely idle air sensor

Dec 16, 2010 | 1996 Jeep Grand Cherokee

1 Answer

89 jeep dies when u hook up map sensor


If you connect it while engine is running, engine will die, start engine and check that you have vacuum going to MAP sensort, if you do, could be a bad MAP sensor, if no vacuum add in-take vacuum, if engine light is on, do a computer diag. where you can see MAP senor data.

Aug 27, 2010 | 1989 Jeep Cherokee

1 Answer

Jeep won't start


we had a jeep with similar conditions at my college and we found it to be the crank sensor and it started and continued to run so test the connection and see if there is 5 volts going to the sensor

Feb 26, 2010 | 1992 Jeep Wrangler

1 Answer

Slow take off


Change you transmission fluid if it seems like the tranny is slipping. If not that, then maybe your MAP sensor is going bad, Are you getting a check engine light?

May 19, 2009 | 1996 Jeep Cherokee Country

1 Answer

1997 jeep grand cherokee runs rich after long trips


Could have a bad map sensor. The Map sensor is located on the throttle body. I have seen countless Jepp that start blowing black smoke when they go bad. That would be a good starting place.

Sep 12, 2008 | 1996 Jeep Grand Cherokee

1 Answer

1990 jeep wrangler


Check the MAP sensor. To see if this is the problem, assuming that the Jeep won't start but is turning over, unplug the MAP sensor and then plug it back in. If you can start it now, the MAP sensor needs to be replaced. The MAP sensor is located in the engine compartment, where the firewall meets the body at the top of the engine compartment, on the driver's side.

Jul 30, 2008 | 1987 Jeep Wrangler

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