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Offline benbenukuk

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No Acceleration
« on: November 22, 2008, 23:22:42 »
Hi, my mum and dad have just got a N reg diesel jeep that they have had nothing but trouble from, first the starter went then then clutch and now it doesn't pick up speed and you can't get over 60mph they had the clutch changed only a few days ago and it was fine until they did that, does any one know what we can check to see if we can sort out the problem? cheers.  Ben
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1989 3.5 v8 range rover classic with 3.9 efi system, 6'' lift, +5'' dampers, dislocation cones all round, 12500ib T-Max winch, steering guard, custom made rock sliders, light pod, custom made side exit exhaust, welded front and rear diff guards, full roof rack, 35/12.50R15 BFG Muds, CB Radio, Twin Batteries, Rear ARB Locker :)

Offline J66P

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Re: No Acceleration
« Reply #1 on: November 22, 2008, 23:32:03 »
does it struggle to rev past 2000rpm when you drive it
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Jeep Cherokee Ltd 4 litre on LPG, 4"+ lift, JKS Quick Disconnects, R/C Shockers, Insa Sahara's, Rusty's Engine and Transmission Skid, Warn Transfer Case Guard, Safari Snorkel, Safari Rack with HiLift Jack, Aussie rear locker, Power trax Front Locker, Hayden Tranny Cooler



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Offline The Smiths

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Re: No Acceleration
« Reply #2 on: November 23, 2008, 00:44:49 »
2000rpm and 60mph will be about the same ;)



It is important if it won't rev past 2000rpm, as this does point to a distinct problem, rather than just 60mph
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Offline benbenukuk

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Re: No Acceleration
« Reply #3 on: November 23, 2008, 16:33:40 »
It does rev past 2000rpm but doesn't pick up speed, your foot can be flat on the floor but it won't go any faster, 2ND gear is the worst for it. Ben
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1989 3.5 v8 range rover classic with 3.9 efi system, 6'' lift, +5'' dampers, dislocation cones all round, 12500ib T-Max winch, steering guard, custom made rock sliders, light pod, custom made side exit exhaust, welded front and rear diff guards, full roof rack, 35/12.50R15 BFG Muds, CB Radio, Twin Batteries, Rear ARB Locker :)

Offline offroading.net

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Re: No Acceleration
« Reply #4 on: November 23, 2008, 17:43:22 »
Check the condition of the intercooler hoses (internally) seem them collapse inside and block up
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Offline J66P

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Re: No Acceleration
« Reply #5 on: November 23, 2008, 19:45:32 »
Will be stuck in limp mode, most likely to be knock sensor on number one injector but you better get it onto a bosch tester to make sure
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Jeep Cherokee Ltd 4 litre on LPG, 4"+ lift, JKS Quick Disconnects, R/C Shockers, Insa Sahara's, Rusty's Engine and Transmission Skid, Warn Transfer Case Guard, Safari Snorkel, Safari Rack with HiLift Jack, Aussie rear locker, Power trax Front Locker, Hayden Tranny Cooler



SJ413, 3"lift, 6 point roll cage, Power Steered, 12000lbs winch, SU carb conversion, BFG MT's, Rear disc

Offline The Smiths

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Re: No Acceleration
« Reply #6 on: November 23, 2008, 20:40:38 »
You could also try the fuel filter.

I had this once on mine - would rev OK, but struggled to pull it at all - going up an hill I was down to 10mph :oops:

I was using bio and was expecting to change the fuel filter - but it was on the floor when I flooded the car so was no use :roll:
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Offline benbenukuk

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Re: No Acceleration
« Reply #7 on: November 26, 2008, 22:10:42 »
well we took it to a garage and they have found out the problem: some hoses connected to the turbo had collapsed, And they also found a water leak  :( but they are going to fix it all for free  :D as they brought the car from them and they have had nothing but trouble from it cheers,  Ben
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1989 3.5 v8 range rover classic with 3.9 efi system, 6'' lift, +5'' dampers, dislocation cones all round, 12500ib T-Max winch, steering guard, custom made rock sliders, light pod, custom made side exit exhaust, welded front and rear diff guards, full roof rack, 35/12.50R15 BFG Muds, CB Radio, Twin Batteries, Rear ARB Locker :)

Offline Bishops Finger

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Re: No Acceleration
« Reply #8 on: November 26, 2008, 23:25:35 »
Seems a result..let us know if its fixed OK...
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Offline offroading.net

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Re: No Acceleration
« Reply #9 on: December 18, 2008, 22:39:14 »
seen quite a few do this, the internal layer of the hose delaminate and block the hose but look fine from the outside
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