[s-cars] I'm broke but my car is filthy rich

[Hap Maguire]

Oh Darin Baby

Missy called and said you were having car problems and would I please help you out. Who am I to let a lady down? Anyways something similar happened to me a couple of months ago. Da Wintah Beatah was experiencing those same high boost cuts. Said cuts were eliminated with a new 255lph Walbro fuel pump. Things are hunky dory for a few weeks and the same symptoms reappear. I go to my supplier and he gives me a new pump. Voila, cuts are gone. I don't know what 034's return policy is but I'd suspect your new pump is Kaput, finis, dead man, gone, up da creek, T.U.

Hap, wit dakine pumpin wisdom not from Evahboost, Maguire


On Jun 18, 2012, at 3:26 PM, Darin Nederhoff wrote:

> Gents,
> 
> After many years of reliable service my full RS2'd UrS4 has starting
> driving me slightly insane.  Last year it developed an issue with a
> high boost cut out problem which seemed very much like a weak coil.
> After MUCH tail chasing it came down to the one year old Bosch fuel
> pump being a bit too wimpy (the prior OEM Pierburg had worked
> beautifully up until the day it suddenly died).  Anyhow, the pump was
> replaced with the 034 Motorsports high flow unit and relay and the
> problem went away... until a few days ago.
> 
> Now it is a bit like deja vu.  Car is once again sporadically running
> super rich at idle and under boost.  It sort of stumbles at idle and
> stinks up the neighborhood with fumes and smoke.  Example:
> http://www.youtube.com/watch?v=rkmTC2_RRj8&feature=g-upl
> 
> Coils/boots, plugs, O2 sensor, bypass valve, intake hose and fuel pump
> all done last fall.  I also tried swapping MAFs and carefully cleaning
> my RS2 MAF last fall as well.  No change.  Tested over and over for
> boost leaks and could find anything.
> 
> I've been averaging 20.7 MPG in mixed city/highway driving although I
> suspect that as of the last few days it is far worse.
> 
> Anyone else ever dealt with this sort of thing?  Kind of scratching my
> head here as this car rarely stumps me.
> 
> One thing I DO notice is that it tends to act up more if it is
> especially warm outside or hot & humid.  Could be coincidental....
> 
> 
> -- 
> Darin Nederhoff
> Plymouth, MN
> 
> http://S-CARS.ORG/site
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