Question about 1998 Jeep Grand Cherokee

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1998 jeep grand cherokee laredo wont start right

Well i changed the spark plugs,and cable,fuel pump,crank sensor,coil pack all the gaskets ,starter, altenator i dont get it i start it up for like 30 min's then it stalls i crank it then it the gas pedal it starts back up can u help me

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  • joejeep Jan 28, 2009

    its a v6 ill try the tps

  • mnabi01
    mnabi01 May 11, 2010

    is this V8 ?

  • Mike Butler
    Mike Butler May 11, 2010

    It stalls, but immediately start back up & runs? Do you have to work the gas pedal at all to keep it going?

  • Anonymous Mar 23, 2014

    when i drive my 1997 jeep grand cherokee larado for a while and stop at the store it wont start.after about 30 min it will start. i checked to see if it was getting fuel and spark,it was getting fuel but no spark.

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At least take the time to remove your computer connector & check & clean all contacts with battery disconnected, negative first.. Clean good with an electrical cleaner spray can. re-connect then re-connect battery, with negative last.

Posted on Jan 29, 2009

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You may have PCM (computer) problem . it uses the crank sensor to fire the coil . if it fails you lose spark. check to see if you lose spark when stalls. and if so replace the computer.

Posted on Jan 28, 2009

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COULD BE THE TPS DROPPING OUT

Posted on Jan 28, 2009

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1 Answer

Engine won't start


If you turn the key to ON position and its not cranking at all,then its battery fault.If its cranking but not starting at all.That means the starter is also getting power.So if its cranks but not start then there are few possibilities to be checked.But if its not craning and no noise then battery and starter are to be checked.In other case :----

A jeep that cranks over but doesn't start, in many cases will be due to a bad fuel pump, a broken timing belt, an inoperative cam sensor or crank sensor. Also these problems are related to faulty spark plug. Check the spark at spark plugs when you start the jeep. 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 jeep starter. The starter gets power from battery to start the jeep. If the starter is faulty then it will not let the jeep to start. Also check and confirm that there is fuel in the jeep. 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 jeep. If the jeep starts momentarily, then there's a good chance the fuel pump is not working or the jeep 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 problem. Thanks. Helpmech.

Feb 01, 2011 | 2000 Jeep Grand Cherokee

2 Answers

How to replace spark plugs on 2000 jeep cherokee classic 6 cyl.? Also does 2000 cherokee have inline fuel filter?


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2 Answers

1993 JEEP GRAND CHEROKEE LAREDO IM TOTALLY BAFFLED


Back up a minute...Do you have spark from the coil wire? (juice from coil) If so, change or check rotor and cap (wires do not all go bad at same time so unless they are wet, likely at least good enough to start engine)

Mar 05, 2009 | 1993 Jeep Grand Cherokee

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You say you changed the cam sensor. A1391 code is a crank sensor on the top of the trans. bell housing.

Feb 22, 2009 | 2002 Jeep Grand Cherokee

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i have a 98 and it has a distributor but it could be a fuel issue more than a spark if you have a fuel pressure gauge and check it.should be above 30 psi to me it sounds like a fuel pump thats bad

Jan 19, 2009 | 1998 Jeep Grand Cherokee

2 Answers

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Check power to the ignition coil,,you may have interfered with one of the wires going to the coil

Jan 16, 2009 | 1999 Jeep Grand Cherokee

1 Answer

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Could be a sensor.I'm thinking more along the lines of a fuel pump or fuel filter.If the fuel pump is going bad..similar symptoms.Would be advisable to install a pressure gauge at the engine,and check fuel pressure when it's acting up.

Jul 13, 2008 | 1993 Jeep Grand Cherokee

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