XJ XJ8 / XJR ( X308 ) 1997 - 2003

Engine revving but acceleration is delayed

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Old May 1, 2013 | 09:55 PM
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princemarko's Avatar
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Default Engine revving but acceleration is delayed

Where should I start to look at?

Was driving at 35mph... Hit the gas to pass someone.. Revved up but didn't accelerate until nearlyn3-5 secs later
 

Last edited by princemarko; May 1, 2013 at 10:05 PM.
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Old May 1, 2013 | 10:16 PM
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Maf sensor or pedal control sensor in the throttle body.
 
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Old May 2, 2013 | 07:39 AM
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If the rpms increase but no response, it sounds like a transmission problem. Have you checked the fluid level?
 
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Old May 3, 2013 | 09:11 AM
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I'm going to take it in for an oil change and sway bar bushings... so I'll have him check the fluid level also.

I know the MAF sensor was giving weird fault codes to the dealer a while back. I want to replace that whole thing with a 3.5in tube and MAF, so maybe its time to do that if that is the problem.
 
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Old May 4, 2013 | 06:52 PM
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The MAF can cause alot of weird issues.
 
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