Question about 2006 Jeep Wrangler

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The jeep cranks but has trouble turning over. There is a new starter and batter. Could it be spark plugs?

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  • tellub May 11, 2010

    Turning over and cranking are the same thing. Does it not start running ?

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What it could be is a bad earth lead to the battery.Or bad connection at either end of it.Try this.Get some jump cable leads(booster leads).Hook one end to the neg.terminal of the battery and the other end to a solid point on the motor.This will give a good earth.Crank the motor.If it cranks faster,its the neg.cable to the battery.Remove and clean both end and replace.Hope this helps

Posted on Aug 01, 2009

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Posted on Jan 02, 2017

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4 Answers

Ive got fuel at the injector rod on my 1994 v8 jeep grand cherokee larado but the car wont start .. this all comes after runnin out of gas. its almost wasnts to but doesnt stay on at times and now won


If you ran out of gas there is a very good chance that the fuel pump relay has blown a fuse or requires a reset. Fuses and relays are in the main fuse box behind battery. When you turn your ignition on to the one setting before the starter engages you should be able to hear the fuel pump running. If it does not then check those fuses. If it does run then there is a good chance that the crank shaft positioning sensor needs replacement.

Oct 12, 2014 | 1994 Jeep Grand Cherokee

1 Answer

1994 jeep cherokee country will not start? alternater and battery tested good any suggestions


does the motor crank. if it cranks the starter and altnator are good. now when you turn the key to the start position do you hear the fuel pump? do you know if you have spark at the spark plugs

Dec 04, 2012 | 1994 Jeep Cherokee Country

1 Answer

We was going down the road and our jeep shut off and wouldnt crank we changed fuel pump and chaecked our old fuel pump too but it worker and the truck still wont crank it isn't getting any pressure we have...


You say the jeep won't crank-----do you just mean it won't start, but the engine does spin when cranking the starter motor? Have you had the trouble codes read from the ECU? Do you have spark at the plug wires? It could also be the crank sensor on your jeep that's bad.
If your ECU has gone bad, it won't send a signal to the fuel pump relay to turn on, so no fuel pressure. Just a few suggestions.

Feb 09, 2011 | Jeep Cherokee Cars & Trucks

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

1 Answer

I was driving my 1993 Jeep and it turn off will turn over but won't what could it be ?


Check for blown fuses. You need to find out if it is getting fuel and spark. To check for fuel, crank the engine for about 10 seconds, Remove a spark plug. If the plug is wet and smells like gasoline, then the fuel is ok. It the plug is dry, then you are not getting fuel. While you have the plug out, reattach the spark plug wire to the plug, lay the plug down somewhere on the engine so you can see it when you crank the starter. If your getting spark, there will be a spark jumping between the electrodes on the end of the spark plug as you crank the starter. Let me know what you find and we will try to find out what the problem is.

Jan 13, 2011 | 1993 Jeep Wrangler

1 Answer

Crank, won't start problem. I checked the spark plugs on Jeep 98. Looks good. Could it be the crank sensor or starter coil?


Yes it is very much possible.But there are many other possibilities too,including starter and spark plugs issue.

If your engine cranks normally but will not start because it has no spark, or it stalls and won't restart because it has no spark.

You can also do a test to confirm the problem .The procedure to do the test is as follows:---

If your engine has spark plug wires, disconnect one of the plug wires from a spark plug and place the end of the wire near a metal surface on the engine. Then insert a small Phillips screwdriver into the end of the wire (the plug boot), or a small bolt or nail to provide a conductive path. Then crank the engine and look for a spark to jump from the screwdriver, bolt or nail in the end of the plug wire to the engine. If you do not see a spark, there is an ignition problem.

OR-----------

If your engine has a coil-on-plug ignition system with no plug wires, In that case remove one of the coils from the spark plug and insert an old spark plug, a spark plug tester or a screwdriver into the end of the coil. Ground the spark plug or plug tester to the engine, then crank the engine and look for a spark. No spark indicates an ignition problem.If the engine has no spark, check for voltage at the coil positive terminal when the ignition key is on. If NO voltage, then problem is on the trigger side of the coil (pickup, crank sensor, ignition module or primary wiring circuit).

But If there is NO voltage at the coil itself, then in that case the problem is on the supply side (the ignition switch or ignition wiring circuit).-----------------

Jeep cranks but no start:----------------

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 car starter. The starter gets power from battery to start the jeep. If the starter is faulty then it will not let the car 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 car 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.

Jan 07, 2011 | Jeep Cherokee Cars & Trucks

2 Answers

Car cranks but won't turn over


If the engine cranks it does turn over. Is it a crank, no start problem?

Jan 07, 2011 | 1998 Jeep Grand Cherokee

2 Answers

95 jeep cherokee country 6 cyl auto. wont crank all the time


Bad solenoid i would guess. Not making a connection there. Any basic wiring and ignition switch problems should be alleviated by jumping the starter with a screwdriver. I would check the solenoid and starter brushes

Dec 30, 2009 | 1994 Jeep Cherokee Country

2 Answers

'03 Jeep Liberty starts weakly and needs gas pedal to idle


Turning over is what the starter does to the engine ...you can turn an engine over with no spark plugs in it...but you can't start it. Turning over is cranking .....the starter turns (cranks) the engine over (comes from when you had to put a crank in the front of the engine and crank it.)
Does it crank normally but has trouble starting???????

Jun 27, 2009 | 2003 Jeep Liberty

2 Answers

1999 Jeep Grand Cherokee Laredo


It sure sounds like a starter solenoid issue, they act just like that, had exactly the same concern on my car, no crank just clicks under hood, new starter solenoid contacts cured the problem. I don't know if your solenoid is rebuild-able or not, I think it is a Japanese starter so most likely it is.

Aug 27, 2008 | 1999 Jeep Grand Cherokee

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