Loss of oil pressure
Thread Starter
Junior Member
Joined: Mar 2013
Posts: 81
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From: Laceyville, PA
Year: 2001
Model: Cherokee
Engine: 4.0l
How would I go about turning up the idle? That might be because if I'm stopped I can hold the brake and lightly press the gas and the pressure goes back up. I also noticed that when I hit the brakes to slow down the pressure starts to fall fast.
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,578
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Go ahead and get the sender it may be bad. But I wouldn't think it would fix your low idle. Try this too. Pick up a bottle of carb/throttle bottle cleaner while your at the parts store.
http://www.jeepforum.com/forum/f9/cl...mmies-1114849/
http://www.jeepforum.com/forum/f9/cl...mmies-1114849/
Herp Derp Jerp

Joined: Nov 2011
Posts: 18,251
Likes: 17
From: Parham, ON
Year: 1999
Model: Cherokee
Engine: 4.0L OBD-II
As much as I love to see another oil sending unit be replaced, this isn't your problem. Oil pressure is created by the engine spinning. No engine movement = no oil pressure
If you have to keep your foot on the gas at stop lights to keep it from stalling, you need to clean your throttle body, paying special attention to the IAC.
If you have to keep your foot on the gas at stop lights to keep it from stalling, you need to clean your throttle body, paying special attention to the IAC.
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,578
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
As much as I love to see another oil sending unit be replaced, this isn't your problem. Oil pressure is created by the engine spinning. No engine movement = no oil pressure
If you have to keep your foot on the gas at stop lights to keep it from stalling, you need to clean your throttle body, paying special attention to the IAC.
If you have to keep your foot on the gas at stop lights to keep it from stalling, you need to clean your throttle body, paying special attention to the IAC.
Thread Starter
Junior Member
Joined: Mar 2013
Posts: 81
Likes: 0
From: Laceyville, PA
Year: 2001
Model: Cherokee
Engine: 4.0l
Put in the new sender or was to late I has already bought it re gaped the plugs and wires they were fine none of that fixed it. Bought a 7.99 can of throttle body cleaner wam runs like new. Iowa plugged into obd11 sensor it said misfire bank 1 and 3 would this problem have caused that or is there more I'm not getting
Member
Joined: Apr 2013
Posts: 157
Likes: 0
From: Greensboro NC
Year: 1997
Model: Cherokee
Engine: 4.0L
Put in the new sender or was to late I has already bought it re gaped the plugs and wires they were fine none of that fixed it. Bought a 7.99 can of throttle body cleaner wam runs like new. Iowa plugged into obd11 sensor it said misfire bank 1 and 3 would this problem have caused that or is there more I'm not getting
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,578
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
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is the first post "When my engine stops, I lose oil pressure"? I don't understand this thread.
