Yes Another renix low idle problem
Thread Starter
Member
Joined: Jun 2017
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From: Yakima, WA Pacific Northwest
Year: 1990
Engine: 4.0 renix
Thread Starter
Member
Joined: Jun 2017
Posts: 159
Likes: 0
From: Yakima, WA Pacific Northwest
Year: 1990
Engine: 4.0 renix
I would be a lot more concerned about the engine if it acted bad under any load but I can take it down my road and back to the driveway and no sputter or hesitation seems fine when I'm driving it's just the idle that is not right
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Joined: Aug 2011
Posts: 43,971
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
We may have to resort to something else. A last ditch effort.
I rarely recommend this.
On the driver's side of the throttle body is a flat plug covering an adjustable air bleed.
Remove it by hitting one side of it with a small punch. See the Torx headed screw underneath?
I rarely recommend this.
On the driver's side of the throttle body is a flat plug covering an adjustable air bleed.
Remove it by hitting one side of it with a small punch. See the Torx headed screw underneath?
Thread Starter
Member
Joined: Jun 2017
Posts: 159
Likes: 0
From: Yakima, WA Pacific Northwest
Year: 1990
Engine: 4.0 renix
We may have to resort to something else. A last ditch effort.
I rarely recommend this.
On the driver's side of the throttle body is a flat plug covering an adjustable air bleed.
Remove it by hitting one side of it with a small punch. See the Torx headed screw underneath?
I rarely recommend this.
On the driver's side of the throttle body is a flat plug covering an adjustable air bleed.
Remove it by hitting one side of it with a small punch. See the Torx headed screw underneath?
Yes I see it
Thread Starter
Member
Joined: Jun 2017
Posts: 159
Likes: 0
From: Yakima, WA Pacific Northwest
Year: 1990
Engine: 4.0 renix
Ended up getting a different tbody from the JY (well worth $25) And of coarse the tps screws where different!! Finally found the ones I needed (went with a 8/32 x 1" with a hex socket cap) the other was a 10/32 that's my luck lol. Gunna charge the battery and slap that tbody back in and see what happens! I also snapped my accelerator cable in the process. Guess the man upstairs wanted that replaced. But I will have an update tomorrow
CF Veteran
Joined: Jun 2010
Posts: 1,220
Likes: 5
From: Arkansas
Year: 1987 & 1996
Model: Cherokee
Engine: 4.0
having owned renix for 6 + years.
First thing to check for all issues is the ground by the dipstick.
double so with idle issues.
pull the wires off clean and reinstall.
First thing to check for all issues is the ground by the dipstick.
double so with idle issues.
pull the wires off clean and reinstall.
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,579
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Ended up getting a different tbody from the JY (well worth $25) And of coarse the tps screws where different!! Finally found the ones I needed (went with a 8/32 x 1" with a hex socket cap) the other was a 10/32 that's my luck lol. Gunna charge the battery and slap that tbody back in and see what happens! I also snapped my accelerator cable in the process. Guess the man upstairs wanted that replaced. But I will have an update tomorrow
Thread Starter
Member
Joined: Jun 2017
Posts: 159
Likes: 0
From: Yakima, WA Pacific Northwest
Year: 1990
Engine: 4.0 renix
Thanks for the advise, most appreciated, I've spent a lot of time with said dipstick!! Resistance checks out for the tps ground test to dipstick and from dipstick to neg terminal
CF Veteran
Joined: Jun 2010
Posts: 1,220
Likes: 5
From: Arkansas
Year: 1987 & 1996
Model: Cherokee
Engine: 4.0
My tab broke off the distributor,
allowed the distributor to turn some,
yep the timing is ecm controlled but it is how
the ECM khows it on the first 3 or second 3 cylinders.
Mine started idling funky when this happened and the
base timing got to far off.
if the ECM is chasing timing, it will advance and retard it
looking for correct tune and make the idle go up and down.
Thread Starter
Member
Joined: Jun 2017
Posts: 159
Likes: 0
From: Yakima, WA Pacific Northwest
Year: 1990
Engine: 4.0 renix
Sounds silly but going to toss it out here.
My tab broke off the distributor,
allowed the distributor to turn some,
yep the timing is ecm controlled but it is how
the ECM khows it on the first 3 or second 3 cylinders.
Mine started idling funky when this happened and the
base timing got to far off.
if the ECM is chasing timing, it will advance and retard it
looking for correct tune and make the idle go up and down.
My tab broke off the distributor,
allowed the distributor to turn some,
yep the timing is ecm controlled but it is how
the ECM khows it on the first 3 or second 3 cylinders.
Mine started idling funky when this happened and the
base timing got to far off.
if the ECM is chasing timing, it will advance and retard it
looking for correct tune and make the idle go up and down.
Makes sense to me. If cruisers suggestion doesn't work out for me that is exactly where my next focus will be. Haven't touched it besides a new cap and rotor on it. Didn't see anything that was screaming "I have a problem" but then again I wasn't looking for anything either. But definitely a helpful suggestion
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,579
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Makes sense to me. If cruisers suggestion doesn't work out for me that is exactly where my next focus will be. Haven't touched it besides a new cap and rotor on it. Didn't see anything that was screaming "I have a problem" but then again I wasn't looking for anything either. But definitely a helpful suggestion
http://cruiser54.com/?p=68
Thread Starter
Member
Joined: Jun 2017
Posts: 159
Likes: 0
From: Yakima, WA Pacific Northwest
Year: 1990
Engine: 4.0 renix
well on to the distributor. The idle was a lot rougher. It would idle at 500ish for a few seconds and then bog back down to 300ish along with a hesitation every once and a while. Is there a good way to check the functionality of the distributor before I go ahead with indexing? I definitely want to make sure it is good before I do anything else to it.
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,579
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
well on to the distributor. The idle was a lot rougher. It would idle at 500ish for a few seconds and then bog back down to 300ish along with a hesitation every once and a while. Is there a good way to check the functionality of the distributor before I go ahead with indexing? I definitely want to make sure it is good before I do anything else to it.
Thread Starter
Member
Joined: Jun 2017
Posts: 159
Likes: 0
From: Yakima, WA Pacific Northwest
Year: 1990
Engine: 4.0 renix