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Author Topic: XJ Cherokee 4.0 1996 low on power....  (Read 1233 times)

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Green Jeep

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XJ Cherokee 4.0 1996 low on power....
« on: May 04, 2011, 09:57:48 PM »

Think I may have somethink bad going on... from cold starts fine, idle ok, not smooth though.... struggles to build revs and back fires, better when warm, but low on power and sounds like its running on 5, usual stuff done, plugs, leads, dizzy cap, rotor arm...

Gunna do a compression check tomorrow, it's done 105,000 miles, maybe a burnt valve? No water in oil.

Just wondering if there is a 'limp home' mode that could have been triggered?

Or any other idea's? Fuel filter looks new and no kinks in fuel line, air filter removed and no difference.

As ever, thanks in advance Maf
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Bubba

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Re: XJ Cherokee 4.0 1996 low on power....
« Reply #1 on: May 04, 2011, 09:58:59 PM »

o sensor problem can do that
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trucks


shedric
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mr whippy

I spent most of my money on alcohol, women and old  iron........ the rest of it I just wasted.

MOCAJ

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Re: XJ Cherokee 4.0 1996 low on power....
« Reply #2 on: May 04, 2011, 10:00:44 PM »

 :iagree:
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short term jeep owner since 2005, every truck is a never ending project. Birtys, the best club in Jeepland

Bishops Finger

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Re: XJ Cherokee 4.0 1996 low on power....
« Reply #3 on: May 04, 2011, 10:42:48 PM »

As they say...
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Green Jeep

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Re: XJ Cherokee 4.0 1996 low on power....
« Reply #4 on: May 05, 2011, 07:20:20 AM »

Thanks guys, where does that little fella live then?
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Bishops Finger

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Re: XJ Cherokee 4.0 1996 low on power....
« Reply #5 on: May 05, 2011, 12:41:45 PM »

Bell Housing??
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JamesH

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Re: XJ Cherokee 4.0 1996 low on power....
« Reply #6 on: May 05, 2011, 01:00:10 PM »

??

Exhaust manifold downpipe if we are talking about the O2/oxygen/lambda sensor

Got mine from Jeep in the end after Lighthouse and Mansfield could decide if they wanted to sell me one because there are different types and they couldn't confirm which one I had! About £65 2 years ago (non-dealer was ~£45)
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Green Jeep

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Re: XJ Cherokee 4.0 1996 low on power....
« Reply #7 on: May 08, 2011, 01:57:59 PM »

Just tried Lambda sensor, still the same, idle lumpy, backfires when trying to rev, will try coil next... any other ideas?

Thanks in advance Maf
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Mike Pavelin

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Re: XJ Cherokee 4.0 1996 low on power....
« Reply #8 on: May 08, 2011, 02:00:57 PM »

Collapsed cat core
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Green Jeep

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Re: XJ Cherokee 4.0 1996 low on power....
« Reply #9 on: May 09, 2011, 02:53:15 PM »

Collapsed cat core

Thanks, just had a look at it and its had a proper good wallop, will disconnect and fingers crossed... thanks again Maf
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Green Jeep

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Re: XJ Cherokee 4.0 1996 low on power....
« Reply #10 on: May 09, 2011, 03:13:37 PM »

Collapsed cat core

Thanks, just had a look at it and its had a proper good wallop, will disconnect and fingers crossed... thanks again Maf

Nope cat empty, removed completly still same deal... back to the drawing board....
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