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98 jeep cherokee overheating. also engine losing power and sputtering. also no heat

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  • 157 Answers

Need to add some coolant. If there is coolant, then you need to check waterpump and make sure belt is still on it and turning.

Posted on Dec 03, 2012

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Posted on Jan 02, 2017

  • 57 Answers

SOURCE: 1999 jeep grand cherokee laredo 4.0 litre

OK here we go you will need a test light for the following tests, i will try to be as descriptive as possible so lets get started

fist start the engine and turn on the a/c that should command the fan on.
right front engine compartment next to the battery is the power distribution center pop off the top, ground your test light to the negative battery terminal and find fuse number 10 it is a 40 amp fuse check both sides of this fuse with your test light, if you have power on both sides of the fuse than we shall go further.

unplug the connector from the cooling fan, there should be two wires in the plug one is dark green and the other is black with a pink tracer, with your test lite grounded to the negative battery terminal check the dark green wire for power, if there is power there than move your test light ground clamp to the battery positive terminal and test the black wire for ground,
if testing the black wire made the test light shine than the ground circuit is good, if it did not than check you ground connection behind the right headlight.
when testing the dark green wire, if the dark green wire made the test light shine and the ground circuit is good than you simply have a bad coolant fan motor.

I suspect you were not getting power to the fan motor so you will need to take a look at the radiator fan relay, this is a special solid state relay mounted to the inside of radiator core support on the right side down behind the bumper.

here you will find a single plug with 4 wires in it

black = ground
dark blue / pink = relay controll from pcm
dark green = output to radiator cooling fan
gray = battery power from fuse # 10 in pdc

unplug the relay ground your test light to the battery negative terminal, with the engine running and a/c turned on check the gray wire the test light, it should turn on if not recheck fuses.

move your test light to the battery posistive terminal and test the dark blue / pink wire, if the test light turns on than you have a bad radiator fan relay, you can pick one up at your local parts store for about $85.00 just make sure you get a high quality one the cheap ones have a hard time with the amprege consumption of that fan.

good luck

wesley schacht@hotmail.com

Posted on Jun 14, 2009

  • 512 Answers

SOURCE: 98 jeep starts cold sputters, no power

the p0171 code is for a fuel system lean code......possible causes are a cracked exhaust manifold.....bad o2 sensor...bad coolant temp sensor fuel pump.....lean fuel can cause the other codes you have for misfires

Posted on Sep 30, 2008

samson-1
  • 153 Answers

SOURCE: 98 jeep wrangler no heat

Try this disconnect the heater hoses from the heater core use a hose to backflush the core. Then reconnect and try again.

Posted on Oct 18, 2008

  • 9 Answers

SOURCE: power loss jeep cherokee

if there are no codes you might have a dirty fuel filter or water in the gas, check all of your wiring too.

Posted on Jul 07, 2009

riceski
  • 1851 Answers

SOURCE: my jeep grand cherokee started overheating at idle

try the water pump - first - make sure the radiator is really full - take the cap off cold and fill - if it looks full - start and run 8 minutes or so - then fill it up - look at ur fan belt - is it tight - tight is about how much pressure u use to make a firm hand shake with little movement - any movement over about an inch is loose - when the jeep warms up the belt can slip and not even make a noise - - new materials don't always squeal. - then be sure ur water pump is ok - they go slowing - the fins wear down - one more thing is the radiator - u don't say how many miles or what maintenance schedules you have or not so that's it for now

Posted on Dec 26, 2009

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My 98 Jeep Grand Cherokee loses power going it uphill and when I accelorate it sputters and slows down.


it sounds like you may have a clogged catylic convertor in your exhaust system. after the car has run for a while look at the convertor under the car sometimes they will get red from the heat. or even the exhaust manifold could be red. this just happened to my suv. to confirm that it was my convertors I drilled a 3/8 in hole in the exhaust before the convertors. then I test drove the car going up a steep hill and the car ran fine no more lack of power and the engine ran smooth. if this is not the problem and you drilled a hole in the exhaust pipe then just go to a muffler shop and they will weld the hole closed for a few dollars. good luck

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Starts to sputter, and loses power


tune it up yet, read the 60k mile list
does the check engine lamp glow when running engine.
if yes, scan it.

Oct 16, 2013 | 1999 Jeep Grand Cherokee

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Jeep cherokee p0133 p0171


http://www.obd-codes.com/p0133
http://www.obd-codes.com/p0171

Check to make sure your intake system does not have any leaks in it that is allowing extra air to come in past the MAF sensor.

http://www.ehow.com/how_6879913_do-_99-jeep-cherokee-4_0_.html

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I may have installed the serpentine belt incorrectly on my 1998 Jeep Wrangler with the 4.0 eng and AC. I am having problems with the engine overheating. Can you send me a diagram of the correct way to...


this is for a system with a/c. If you don't have a/c let me know and I will get you the correct one but i'm sure that you have a/c and power steering.


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What is causing my 1997 Jeep Grand Cherokee Limited Edition to spit, sputter, lose power and backfire?


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2004 jeep grand cherokee overheating. changed water pump, thermostat. no heat from heater. and still overheats


Are you losing coolant. If you are I would check your heater core which is located under the glove compartment.

Feb 05, 2010 | 2004 Jeep Grand Cherokee

1 Answer

98 Jeep Overheating


I think you may need a new radiator core.Flushing can only do so much and if the core is badly blocked no ammount of flushing will solve the problem. You could also chech there is no air in the system by undoing one of the heater hoses on the engine. Make sure there is no problem with the bellts and the water pump is spinning. Also check the water pump for any leaks or wobble on the shaft. If the impeller is bady corroded you can have heating problems.

Aug 17, 2009 | 1998 Jeep Cherokee

2 Answers

98 jeep starts cold sputters, no power


the p0171 code is for a fuel system lean code......possible causes are a cracked exhaust manifold.....bad o2 sensor...bad coolant temp sensor fuel pump.....lean fuel can cause the other codes you have for misfires

Sep 14, 2008 | 1998 Jeep Cherokee

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