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post #1 of 14 Old 08-27-2013, 09:19 AM Thread Starter
claurance2
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2001 FSJ Cherokee 
 
Join Date: Aug 2013
Location: charlotte
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need help *UPDATED*9/15/2013

I'm new to the site and want to say what's up to everyone. Now the issues with the jeep. We have a 01 grand cherokee limited with a 4.7l. It stop running the other day and threw several codes p0352,353,354,355,357. I replaced the plugs first cause they were really worn. I then replaced all the coils and it still won't stay running on its own you have to keep the gas pedal pressed almost all the way down. I checked all vacuum lines and connections nothing looks out of place.fuses also checked. I'm thinking maybe a fuel filter maybe clogged or the pump is failing. What else can i look into to get it running again? Another issue is a crazy noise coming from the glove box area when you shut the engine off then after a few minutes it makes the noise.
thanks


Last edited by claurance2; 09-15-2013 at 07:58 AM. Reason: update
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post #2 of 14 Old 08-27-2013, 09:28 AM
WJ02FNG
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What is the history of the Jeep? Just all of a sudden it threw all those codes? Did this happen after a trip or accident? Give us some more info.

2002 Jeep Grand Cherokee 4.0L, 4x4, Selec-Trac TC, Auto Transmission
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post #3 of 14 Old 08-27-2013, 11:49 AM Thread Starter
claurance2
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Quote:
Originally Posted by WJ02FNG View Post
What is the history of the Jeep? Just all of a sudden it threw all those codes? Did this happen after a trip or accident? Give us some more info.
We were hit in the rear on the passenger side about three weeks ago. They damaged the lift gate,busted the tail light, and damaged the bumper. It had been running ok with no known issues. It's driven daily by my wife mostly to work and back. we bought it in march this year and it's been on a few road trips. Sometimes the blower motor won't work and the check gauges light up.
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post #4 of 14 Old 08-27-2013, 06:37 PM
WJ02FNG
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Check your electrical grounds and your battery and battery connections. Something may have been jarred loose.

2002 Jeep Grand Cherokee 4.0L, 4x4, Selec-Trac TC, Auto Transmission
K&N drop-in air filter, B&M Supercooler Transmission Cooler, Rusty's Off Road Front Tow Hooks, Mopar Hitch. Iron Rock Off Road 3 inch lift.
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post #5 of 14 Old 08-27-2013, 07:41 PM Thread Starter
claurance2
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I went over the whole engine compartment looking for grounds, vacuum lines, fuses and everything looks ok. There is a strong gas smell though when trying to keep it running.
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post #6 of 14 Old 08-27-2013, 07:51 PM
Ah673000
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You have a problem in the wiring harness going to your coils ..... You got codes thrown on every coil .... Follow the harness until you find the issue.... My bet is it is in the engine compartment .

Your blower resister may be the culpret under the glovebox.... They fail about 100k or 10 years .... The wiring harness fries . You can get a new one ( repair kit) at Rockauto that is oem ( airtec ) . It also could be a broken blend door shaft . Google "heater treater " for a repair kit .
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post #7 of 14 Old 08-28-2013, 12:12 PM Thread Starter
claurance2
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Quote:
Originally Posted by Ah673000 View Post
You have a problem in the wiring harness going to your coils ..... You got codes thrown on every coil .... Follow the harness until you find the issue.... My bet is it is in the engine compartment .

Your blower resister may be the culpret under the glovebox.... They fail about 100k or 10 years .... The wiring harness fries . You can get a new one ( repair kit) at Rockauto that is oem ( airtec ) . It also could be a broken blend door shaft . Google "heater treater " for a repair kit .

After I installed the new coils the check engine light doesn't come back on and there are no more codes coming up. I'm thinking it's fuel related now.
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post #8 of 14 Old 08-28-2013, 12:26 PM
Merc1973
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Did you re-attach the ground straps hooked to the coils next to the fire-wall?

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post #9 of 14 Old 08-28-2013, 02:11 PM
rdkendrick
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That sound you are hearing behind the glove box is just the recirc and blend doors cycling after you turn it off. It's normal.

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post #10 of 14 Old 08-28-2013, 04:48 PM Thread Starter
claurance2
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Quote:
Originally Posted by Merc1973 View Post
Did you re-attach the ground straps hooked to the coils next to the fire-wall?
Yep
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post #11 of 14 Old 08-28-2013, 04:50 PM Thread Starter
claurance2
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Quote:
Originally Posted by rdkendrick View Post
That sound you are hearing behind the glove box is just the recirc and blend doors cycling after you turn it off. It's normal.

Sent from my iPad using my fingers

That's good to know. I was worried.
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post #12 of 14 Old 08-30-2013, 08:01 AM Thread Starter
claurance2
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So this weekend i'm gonna go thru the fuel system since we were rear ended a few weeks ago. Check the gas tank,filter,and pump. There's no telling how long some of these parts have been on the jeep from what I seen when I pulled the spark plugs. I'll keep you guys posted and may have more questions i'm sure.
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post #13 of 14 Old 09-15-2013, 07:18 AM Thread Starter
claurance2
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Location: charlotte
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Hello i'm back with an update. I bought a fuel pressure tester yesterday. I first checked if I could hear the fuel pump prime when turning the ignition on and I could hear it. I then checked the fuel pressure and when i turned the ignition on the pressure would go to 50psi and then drop down to zero. Is it time for a new fuel filter or pump? What else can i check to be sure? thanks
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post #14 of 14 Old 09-16-2013, 11:43 AM Thread Starter
claurance2
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Join Date: Aug 2013
Location: charlotte
Posts: 13
Are there any write ups on the fuel system?
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