Don. Do you suspect there's any amount of dirt in the fuel tank? Did you find any dirt in the noisy pump internal screen? (no. Don't ask why I ask. ;) Neil.
On 4/27/14, Don Hanson <dhanson928@gmail.com> wrote: > My fuel pump has been really noisy for about 1500 miles now and I just > replaced it with a new one...A quiet one... > > Now, with the noisy one, the van ran OK....no glaring issues with it's > digifant inline four motor....I did 'sense' a slight hesitation as I > accelerated from coasting...I think....and sometimes as I went from no > throttle to throttle, like at the bottom of a gully, there was a big > hesitation, like the motor was OFF for a second or two, then pretty normal > again... > I think this slightly "off" behavior has all gone away with the new pump > installed..I could be imagining it but the motor seems to run better now. > > ..... But is > it possible the noisy pump was making the engine run less perfect? > I should know, but how does the digifant fueling system actually work? > Could the old noisy pump be supplying inadequate fuel pressure and volume, > just by a little? It seemed to not matter how much throttle I was > using...the van ran fine, but just whining and noisy... -- Neil n Blog: tubaneil.blogspot.ca '88 Westy http://tinyurl.com/c8rlw6p '81 VanaJetta 2.0 "Jaco" http://tubaneil.googlepages.com/ Vanagon VAG *Gas* inline-VR Engine Swap Group: |
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