Rough Idle 2004 Grand Cherokee 4.7L
05-28-2007, 02:51 PM
#11
Guest
Posts: n/a
Re: Rough Idle 2004 Grand Cherokee 4.7L
On May 21, 7:36 am, TakeFlight <erik.j.c...@gmail.com> wrote:
> On May 20, 7:31 pm, Dano <ybego...@msn.com> wrote:
>
> > Hope someone can help. Wife has the '04 GC with 4.7L HO AWD. We've
> > had it to the dealer, (tune up at 40K miles w/platinum plugs) and
> > still when you first start the car is when it's the worst. Has arough
> >idle. When the RPM's are raised it smooths out. Still averaging ~18
> > MPG...but theroughidleis a nusiance.
>
> > Took the car to our local service center. They could find nothing
> > wrong! Cleaned the throttle body and added a cleaner to the tank.
> > Still NO good. Wife loves this Jeep!
>
> > Hoping someone has lucked into the problem and knows the fix.
> > Dan in TN
>
> This sounds likeidleair control motor. These can get pretty dirty
> and causeidleproblems, but are easy to clean (30-min job) with some
> carb cleaner spray.
>
> See the "Cleaning the throttle body and IAC plunger" section athttp://www.wjjeeps.com/service/tbody.htm
I cleaned the IAC plunger on the 04 GR today. Made ALL the difference
in the world! RUNS and IDLES FLAWLESSLY! THANK YOU!!! Quite a bit
of carbon build up and cleaned with carb cleaner.
Thank you again!
Dan in TN
> On May 20, 7:31 pm, Dano <ybego...@msn.com> wrote:
>
> > Hope someone can help. Wife has the '04 GC with 4.7L HO AWD. We've
> > had it to the dealer, (tune up at 40K miles w/platinum plugs) and
> > still when you first start the car is when it's the worst. Has arough
> >idle. When the RPM's are raised it smooths out. Still averaging ~18
> > MPG...but theroughidleis a nusiance.
>
> > Took the car to our local service center. They could find nothing
> > wrong! Cleaned the throttle body and added a cleaner to the tank.
> > Still NO good. Wife loves this Jeep!
>
> > Hoping someone has lucked into the problem and knows the fix.
> > Dan in TN
>
> This sounds likeidleair control motor. These can get pretty dirty
> and causeidleproblems, but are easy to clean (30-min job) with some
> carb cleaner spray.
>
> See the "Cleaning the throttle body and IAC plunger" section athttp://www.wjjeeps.com/service/tbody.htm
I cleaned the IAC plunger on the 04 GR today. Made ALL the difference
in the world! RUNS and IDLES FLAWLESSLY! THANK YOU!!! Quite a bit
of carbon build up and cleaned with carb cleaner.
Thank you again!
Dan in TN
05-28-2007, 02:51 PM
#12
Guest
Posts: n/a
Re: Rough Idle 2004 Grand Cherokee 4.7L
On May 21, 7:36 am, TakeFlight <erik.j.c...@gmail.com> wrote:
> On May 20, 7:31 pm, Dano <ybego...@msn.com> wrote:
>
> > Hope someone can help. Wife has the '04 GC with 4.7L HO AWD. We've
> > had it to the dealer, (tune up at 40K miles w/platinum plugs) and
> > still when you first start the car is when it's the worst. Has arough
> >idle. When the RPM's are raised it smooths out. Still averaging ~18
> > MPG...but theroughidleis a nusiance.
>
> > Took the car to our local service center. They could find nothing
> > wrong! Cleaned the throttle body and added a cleaner to the tank.
> > Still NO good. Wife loves this Jeep!
>
> > Hoping someone has lucked into the problem and knows the fix.
> > Dan in TN
>
> This sounds likeidleair control motor. These can get pretty dirty
> and causeidleproblems, but are easy to clean (30-min job) with some
> carb cleaner spray.
>
> See the "Cleaning the throttle body and IAC plunger" section athttp://www.wjjeeps.com/service/tbody.htm
I cleaned the IAC plunger on the 04 GR today. Made ALL the difference
in the world! RUNS and IDLES FLAWLESSLY! THANK YOU!!! Quite a bit
of carbon build up and cleaned with carb cleaner.
Thank you again!
Dan in TN
> On May 20, 7:31 pm, Dano <ybego...@msn.com> wrote:
>
> > Hope someone can help. Wife has the '04 GC with 4.7L HO AWD. We've
> > had it to the dealer, (tune up at 40K miles w/platinum plugs) and
> > still when you first start the car is when it's the worst. Has arough
> >idle. When the RPM's are raised it smooths out. Still averaging ~18
> > MPG...but theroughidleis a nusiance.
>
> > Took the car to our local service center. They could find nothing
> > wrong! Cleaned the throttle body and added a cleaner to the tank.
> > Still NO good. Wife loves this Jeep!
>
> > Hoping someone has lucked into the problem and knows the fix.
> > Dan in TN
>
> This sounds likeidleair control motor. These can get pretty dirty
> and causeidleproblems, but are easy to clean (30-min job) with some
> carb cleaner spray.
>
> See the "Cleaning the throttle body and IAC plunger" section athttp://www.wjjeeps.com/service/tbody.htm
I cleaned the IAC plunger on the 04 GR today. Made ALL the difference
in the world! RUNS and IDLES FLAWLESSLY! THANK YOU!!! Quite a bit
of carbon build up and cleaned with carb cleaner.
Thank you again!
Dan in TN
05-28-2007, 02:51 PM
#13
Guest
Posts: n/a
Re: Rough Idle 2004 Grand Cherokee 4.7L
On May 21, 7:36 am, TakeFlight <erik.j.c...@gmail.com> wrote:
> On May 20, 7:31 pm, Dano <ybego...@msn.com> wrote:
>
> > Hope someone can help. Wife has the '04 GC with 4.7L HO AWD. We've
> > had it to the dealer, (tune up at 40K miles w/platinum plugs) and
> > still when you first start the car is when it's the worst. Has arough
> >idle. When the RPM's are raised it smooths out. Still averaging ~18
> > MPG...but theroughidleis a nusiance.
>
> > Took the car to our local service center. They could find nothing
> > wrong! Cleaned the throttle body and added a cleaner to the tank.
> > Still NO good. Wife loves this Jeep!
>
> > Hoping someone has lucked into the problem and knows the fix.
> > Dan in TN
>
> This sounds likeidleair control motor. These can get pretty dirty
> and causeidleproblems, but are easy to clean (30-min job) with some
> carb cleaner spray.
>
> See the "Cleaning the throttle body and IAC plunger" section athttp://www.wjjeeps.com/service/tbody.htm
I cleaned the IAC plunger on the 04 GR today. Made ALL the difference
in the world! RUNS and IDLES FLAWLESSLY! THANK YOU!!! Quite a bit
of carbon build up and cleaned with carb cleaner.
Thank you again!
Dan in TN
> On May 20, 7:31 pm, Dano <ybego...@msn.com> wrote:
>
> > Hope someone can help. Wife has the '04 GC with 4.7L HO AWD. We've
> > had it to the dealer, (tune up at 40K miles w/platinum plugs) and
> > still when you first start the car is when it's the worst. Has arough
> >idle. When the RPM's are raised it smooths out. Still averaging ~18
> > MPG...but theroughidleis a nusiance.
>
> > Took the car to our local service center. They could find nothing
> > wrong! Cleaned the throttle body and added a cleaner to the tank.
> > Still NO good. Wife loves this Jeep!
>
> > Hoping someone has lucked into the problem and knows the fix.
> > Dan in TN
>
> This sounds likeidleair control motor. These can get pretty dirty
> and causeidleproblems, but are easy to clean (30-min job) with some
> carb cleaner spray.
>
> See the "Cleaning the throttle body and IAC plunger" section athttp://www.wjjeeps.com/service/tbody.htm
I cleaned the IAC plunger on the 04 GR today. Made ALL the difference
in the world! RUNS and IDLES FLAWLESSLY! THANK YOU!!! Quite a bit
of carbon build up and cleaned with carb cleaner.
Thank you again!
Dan in TN
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