XJS ( X27 ) 1975 - 1996 3.6 4.0 5.3 6.0

fuel pump - 3 or 4 bar ??

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Old Oct 13, 2018 | 10:05 PM
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Shahar Alon's Avatar
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Default fuel pump - 3 or 4 bar ??

i have an issue with my rmp niddle going up and down after 10-20 mins of driving so im going to replace the fuel pump and fuel filter.
what you suggesting ? 3 bar oem fuel pump or 4 bar pump ?
 
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Old Oct 13, 2018 | 10:49 PM
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Jagboi64's Avatar
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What are the conditions of the flutter? Is that at idle after driving, or while driving? How much does it move? If it's at idle, fuel pump is not the place I would start.

What year/engine is your car?
 
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