[Vwdiesel] top speed issues continued or, My Rabbit is a Snail
flub at adelphia.net
Fri Aug 1 23:40:21 EDT 2003
Maybe also something in the exhaust line. Check for a clear tailpipe..
Forrest L King wrote:
>First, thank you for all of your replies, both on and off list. I tried
>it all!! :)
>Ok, here is the update:
>Airfilter is clean, even tried a run without the airfilter!!
>Injectors are new
>Fuel Filter is NEW.
>I tried running the rabbit on a bottle of diesel from under the hood.
>the problem persisted. and Damn, these things really pump some diesel
>through that pump - thank god we have return lines!!! I could empty a
>12 oz bottle in about 1 minute 15 seconds!!
>I also checked the valve train timing - the cam, injector pump, and crank
>are all in time. unfortunaetly I decided to check this after i did my
>bottle runs - those little valve cover bolts are freaking HOT when you
>are trying to remove them. Got it all buttoned up.
>I am now going to try and check the injector pump timing - even though I
>don't see any signs that the pump has moved a BIT. I have the adapter
>and an SAE guage, so I need to find a website with some accurate and
>precise conversions of the timming measurements.
>Assuming the injector is in time - because I think it is, could this
>problem be 'bad fuel' ??? I think I might drain the tank tonight,
>backflush the in tank screen by pumping pressurized air from the engine
>bay back to the tank. I'll put some reputable fuel in it, Texaco fuel.
>The crap I am using now was from a diamond shamrock in BFE west texas. I
>think they were surprised I actually got auto diesel instead of Farm
>My friend bought a compression tester with a VW diesel adapter - it is
>supposed to arrive in the mail today or tomorrow. But I think the engine
>has good compression - it starts on the very first revolution everytime.
>Anybody have any more suggestions? this is my only car right now, I
>sold my Cabriolet a few weeks after I got this running, and now I am
>really regretting that.
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