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XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

slight hesitation on acceleration

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Old 03-10-2015, 03:56 PM
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Default slight hesitation on acceleration
I have a 1996 4.0 liter xjs convertible with 135,000 miles. I noticed that when the car is parked and I step on the gas pedal there is a slight hesitation but then it seems to run fine while driving. Any ideas where I should look first. Thank you for any help you can give.
 
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Old 03-16-2015, 04:07 PM
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When was the last time the air cleaner was changed...?
 
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Old 03-16-2015, 09:49 PM
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I would think that the TPS has gotten a little worn, maybe sending bad signal like a flat spot.
 
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Old 03-17-2015, 09:31 PM
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Originally Posted by Jonathan-W
When was the last time the air cleaner was changed...?
About six months ago, less than a thousand miles on new filter. Thanks for your input.
 
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Old 03-17-2015, 09:36 PM
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Originally Posted by superchargedtr6
I would think that the TPS has gotten a little worn, maybe sending bad signal like a flat spot.
This is the second time someone mentioned the TPS, I will be looking into that, thanks for the tip.
 
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Old 10-17-2016, 01:38 PM
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Did you resolve this issue?
 
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