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2005 Pontiac Bonneville 3.8 Surging bad on acceleration.

Customer Question
Changed fuel filter, plugs, wires...
2005 Pontiac Bonneville 3.8 Surging bad on acceleration. Changed fuel filter, plugs, wires, coils, ignition module, mass air flow sensor. No codes but did notice18X signal momentary going to zero on acceleration could this cause the surging?
Submitted: 8 months ago.Category: Pontiac
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Answered in 26 minutes by:
9/12/2017
Pontiac Mechanic: Ricardo Hohl, Master Certified Tech replied 8 months ago
Ricardo Hohl
Ricardo Hohl, Master Certified Tech
Category: Pontiac
Satisfied Customers: 4,343
Experience: Automotive instructor at Porter and Chester institute
Verified

Hi welcome to just answers my name is ***** ***** you mean the 02 sensor switching signal?

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Pontiac Mechanic: Ricardo Hohl, Master Certified Tech replied 8 months ago

has a fuel pressure test being done on this vehicle?

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Customer reply replied 8 months ago
fuel pressure at 45 at idle 55 when throttle is snapped. I mean the 18X crank signal goes to 0 rpm momentarily.
Pontiac Mechanic: Ricardo Hohl, Master Certified Tech replied 8 months ago

well although that's not a good sign of a crank sensor it should not cause a surge on acceleration.

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