Having problems with your 2004 Jeep Grand Cherokee ?

Check Engine light and rough idle for 2004 Jeep Grand Cherokee

Posted / edited by AnonymousUser on : 22-01-2018

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Repair Help & Product Troubleshooting for 2004 Jeep Grand Cherokee

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1998 Jeep Grand Cherokee Laredo 4.0 6cyl, when i crank my jeep after about 1 or 2 min it will start idling very rough and the exhaust smells very rich. Seems like the motor is starving for air but there's no vacuum leaks. I have already replaced the idle air control sensor, fuel pump, fuel regulator, plugs, plug wires and air filter. Its not throwing any codes and even though the check engine light doesn't come on Ive still check it numerous times. Has anyone else experienced this or know wh


Have you checked the coolant temp sensor. They also have something called a MAP(manifold absolute pressure) sensor that could be causing this issue. This sensor will have a 4 pin connector and 1 vacuum line going to it. Should be on the firewall, jus ... 1998 Jeep Grand Cherokee

Hi there,my 2000 jeep cherokee 4.0l temp gauge keeps going up and down,goes up to normal when the car is at idle in drive and then will start to idle rough then miss and then want to stall,and then when i drive the temp gauge goes down to 0 and seems to run rich and get run-on in the revs can you please help me??????and there is no engine check light coming on, thank you


It sounds like a fualty sensor like camshaft sensor or bad 02 but the check engine light should be on if the problem is sensor or electrical related. I would change temp sensor and thermostat. Sounds more like faulty temp sensor if the car is running ... 2000 Jeep Grand Cherokee

Jeep Grand Cherokee 1997. Getting check engine light signal 12 14 43 55. Car symptoms are stalling rough idle.


Code 12 = Recently disconnected batteryCode 14 = Coolant sensor high resistance or shortedCode 43 = Knock sensor or Electronic spark control circuit faultCode 55 End read code.Hope helps (remember rate ... 1997 Jeep Cherokee

Check Engine light and rough idle for 2004 Jeep Grand Cherokee


... 2004 Jeep Grand Cherokee

My 99 Jeep Grand Cherokee 4.0L Idles very rough and at very low rpm when I start it. This just happened today. New plugs 6 months ago.No check engine light on. Bad fuel filter?


... 1999 Jeep Grand Cherokee

I have a 2002 Jeep Gr. Cherokee inline 6. Check engine light came on checked the code and it was TPS, in checking TPS found it to be working properly. I erased code. The Jeep is idling rough. Another engine code appeared, it is a misfire on cyl 1. I replaced plugs, have no vaccuuum leaks. Could this be the ign. coil rail?If so is there an easy way to check?


If a TPS code appeared, clean the connection to the TPS. Check you coils to the plugs and look for white tracking indiacting a short to ground which would cause a P0301. Use Champion plugs for this engine and gap accordingly. Let me know what you fin ... Jeep Grand Cherokee

Hi! Just bought a 99 jeep grand Cherokee, 4.7 V8. The day after I drove it off the lot it stalled as I was braking approaching a stop light. It started right back up but noticed it missing at stop lights afterwards. On the way home from work that same day, the check engine light came on. I went to autozone to check, I was told it was the pre converter oxygen sensor. I replaced that sensor yesterday morning, started it up, engine light was gone & she idled nice & smooth, no missing or fluctuating


I Found that the outboard PCM cover screw was shorting out the circuit board. \015\012Short story long: I have a 97 Grand Cherokee 4.0L, 138,000 miles. Several weeks ago, I started to have stalling issues. Hot or cold, dry or wet, first d ... 1999 Jeep Grand Cherokee

2001 Jeep Grand Cherokee Laredo approx 147000 miles. Recently notices oil pressures going up to 80psi periodically when driving. If I turned off the engine and restarted it would read normally. Within the past month - I've noticed my oil pressure reading lower than normal. It usuallly reads around 40psi while driving and around 20-25 at idle. The other night after I started the engine - the pressure droppped to around 10, and with the engine at idle - dropped to sero with check guage light


Very first thing you need to do is install a mechanical pressure gauge on there to verify what you see on your gauge. If the actual pressure is low, then it's time to start looking inside the engine. If not, then you need to trace out the electrical ... 2001 Jeep Grand Cherokee

98 jeep grand cherokee limited 4.0 litre. starts up, during warm up process engine will idle irradically and stall out. starts back up and does the same thing. no check engine light on. cleanrd throttle body, good compression, good spark. i checked to see if it might have been the map sensor by starting the motor and then pulling the connector off the map sensor, the rpm's changed a slight bit but went to normal and didn't stall out. i was thinking about checking to see if i have fuel pressure o


98 jeep grand cherokee, starts fine but then dies and will not run, after it dies it will start right back and do the same thing, can not get it run, any help is always appreciated ... 1996 Jeep Grand Cherokee

2004 Jeep Grand Cherokee (63,000 mi - V8) Check engine light indicates #1 cylinder misfiring. Spent $$ getting system flushed for carbon residue. Drove 3 weeks, started up, ran rough, and light came on again. Did more indepth $$$ flush, drove 4 highway hours, parked overnight, started up, ran very rough and light came on again. Shop wants to rip the head off etc for $1,200 more. Any ideas?


The miss,does not just come and go,if it is a engine valve,replace the coil and boot,go from there,if this does not solve the problem,then the injector is gone out,or going out.If it is a engine valve,the miss would never get better,then worse,it wou ... 2004 Jeep Grand Cherokee

1996 Jeep Grand Cherokee: engine intermittently "surges" in gear at idle speed. Check engine light does not come on, and a computer check revels no problem. Seafoam, Z-Max, and Heet have all been tried. Tach fluctuates 400 rpm when idiling in gear.Problem seems to have developed after water pump was replaced and tank filled with Holiday gas. Not sure if either of these are cause of the problem?


After this changes, you reset the ECU? Sometimes this is need to\015\012 recognize variations.Are you make scan to ... 1996 Jeep Grand Cherokee

Jeep grand cherokee 2006 4.7 random misfire #3 cylinder.Check engine light comes on but runs good. Idle runs a little rough after light comes on.. Switched plug and coil to cylinder 5 and code changed to #5 replaced coil & plug on 5. Now its reading 3 again. Replaced all spark plugs twice. Replaced coil. After 100 miles light comes back on.


... Jeep Grand Cherokee

2003 jeep grand cherokee 6cyl. Oil pressure drops as engine warms up.replaced sending unit, same. Checked with mechanic's pressure gauge and found out gauge on cluster is correct. Pressure drops below 5 when the engine is warm.Removed oil pan and found pickup screen was clogged by sludge.Replaced oil pump and screen, cleaned oil pan. Now pressure stays at 10 psi at idle when warm. However, it can not create pressure after start up, light stays on until you rev engine up and bring pressure close


The reason it differs from cold to hot is because your oil is thicker when cold, as the engine heats the oil thins a bit causing the drop. Good news is, you do not need but about 7psi at idle to keep the engine properly oiled. (to bring oil to the t ... 2002 Jeep Liberty

Dear Sir, I have a 1997 Jeep Cherokee Sport, 6 cylinder 4.0 liter. I recently tried cleaning my throttle body with carb cleaner while the vehicle was running. After spraying a half can of cleaner in the throttle body the engine stated idling vey rough and keeps missing when the engine is under load going up hills. The check engine light has come on and remains on. I ran the codes with a tester and the results said that an electrical sensor on the throttle body was bad and the number two cylinder


Change the trottle position sensor and reset your code reader after and read again, Your question about resetting is yes , do it. ... 1997 Jeep Grand Cherokee

My 1997 jeep grand cherokee starts o.k i have no check engine light on, but every now and then the idle will go down for a few seconds and sudden acceleration will occur. this happens regardless of the car being cold or warm. i have replaced the map sensor, tps, and idle control sensor, and pcm. still does it.


There is a rpm magnet that bolt on top of your transmission i had a jeep that done the same thing and repleced that and havent had a problem sinceits located on the left top side of your tranny has one little bolt that holds it in and a wire coming o ... 1999 Jeep Grand Cherokee

2000 Jeep Grand Cherokee In'line 6 cyl.....Erratic guages... check guages light goes on, guages go off for 10 seconds, then back on. Speedometer jumps. Idiot lights sometimes come on for a few seconds then back off. Rough starting, but eventually starts and runs, but will not always hold idle. When guages are crazy, shifting is sometimes erratic.


This will be challenging to find ... If headlights dim or flicker too ... check battery terminals first. But I think it will be a large harness with quite a few wires on it ... Check ... for loose bulkhead connectors at the firewall ... and between t ... 2000 Jeep Grand Cherokee

1999 jeep grand cherokee 4 L engine, shuts off while driving and comes back on with no code or check engine light coming on. Also shuts off when idling, but always starts right back up.


I would start with the ignition switch. Since it is intermittant it will be hard to tell if it is the problem. Un less you take the switch apart. Which I tear everything apart to make sure. And depending on the complexidy I repair them. Again this is ... 1999 Jeep Grand Cherokee

My 98 Jeep Cherokee has a rough idle after starting it and hesitates with heavy bucking if I don't wait a while to drive after starting. Then all of a sudden the idle will stabilize after surging forward as if a critical temp. has been reached and then it rides fine. Check engine light is NOT on. Any suggestions would be greatly appreciated.


Look at rotor under cap cheap buy a new one there cheap. ... 1998 Jeep Cherokee

1997 jeep grand cherokee check engine light on and idle going up and down drives fine when you come to stop idle goes up and down


Its most likely a bad sensor. there are Many! have the dealer or autoparts store run a diagnostic. ... 1999 Jeep Grand Cherokee

1997 jeep grand cherokee 4.0 loredo.... abs light on, rough idle after engine gets a little warm. replaced idle control valve, throttle position sensor, didn't help. what's next


... 1997 Jeep Cherokee

I have a 2004 Jeep Grand Cherokee Laredo V6. When accelerating, the engine starts to make a noise, similar to hamsters/squirrels. It's not that loud at first. The noise stops when I take my foot off the gas. After a while the noise becomes more of a "knocking/light banging". It starts to drive rough, you can feel it in the pedal. It also idles very rough, at stop lights it feels like I'm in a 1969 Dodge Coronet with a 426 Hemi in it (I wish). If I pull over and push down on the wiring (tray) fo


It sounds to me like you have inferior gas in the tank, or some water has gotten in your fuel. you may be able to add a little denatured alcohol to the gas and it may burn off the water. good luck ... 2004 Jeep Grand Cherokee

I have a 1998 Jeep Grand Cherokee Limited 5.2 v8. Engine was lugging check engine light came on as engine quit. Pulled over turned off the key and it restarted and ran fine. Went to Auto ZOne they said speed sensor fault of speed greater than 15 mph and trans speed less than 60 rpm. Car ran fine for two days but resetting check engine light by disconnecting battery is no help as check engine light comes back on as soon as speed comes up to 15-20mph. Today it would not shift out of first but tur


Hello there, One of the problems Jeeps do have is Transmissions. It is very typical of the sensors and solonoid packs to go bad, Also Jeeps as well have well know problems with the computer causing transmission issues as well.\015\012\015 ... 1998 Jeep Grand Cherokee

1993 Jeep Grand Cherokee 8 cylinder, My "check engine" Light wont come on. Truck runs, then shuts down. I try to check the codes, Turn on, turn off, on, off, on. I get nothing. No check engine light at all. After I disconnect the battery for awhile, It starts' right up. When I check the codes again, all the comes up is code 12, (Battery disconnected from PCM within last 50 starts). Will a "Crank-Sensor" work, then not, then work again? Could that make the "check engine" light not come on? The


A failing crank sensor sometimes won't set a code, but it will not prevent the check engine light from coming on.I'd test it with an ohmeter both hot and cold just to make sure it's good, but think your problem is likely to be a connection betw ... 1993 Jeep Grand Cherokee

I am having issues with my 2003 dodge grand caravan. It was running rough and wouldn't hold idle. The check engine light was on and it was for the ignition in cylinder 3. The spark plugs and wires were replaced and the check engine light went away. Now, it runs good on the top end but it sputters badly at idle particulairly in the morning. It will die out frequently at idle. A lot of black carbon out of the exhaust pipe as well. I'm not sure if it an airflow restriction or and idle selenoid. Any


... Cars & Trucks

Same the above with my 2000 cherokee sport 6 cyl. Check engine light came on and motor vibrated and ran ROUGH, I checked the exhaust for smoke, oil for anti freeze, both negative. Light started flashing so I pulled off the road and disconnected battery to reset the computer. Jeep ran fine for about 5 miles in rush hour stop and go (40 mph) driving. Then light came on again, rough running. Here's the thing related to above comments. I got a half tank of gas on way to work this morning and jeep wa


All are very possible but you can go to any chain auto parts to get your codes read especially if your light was flashing this indicates serious trouble once you have the codes its easier to help you but it sounds like a misfire to me meaning bad spa ... 2001 Jeep Cherokee
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