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Casper062103
New User
Jun 8, 2009, 10:12 PM
Post #1 of 4
(4048 views)
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!994 VW Passat GLX
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Hello I have a 1994 Volkswagen Passat GLX with a 2.8
My Problem is My son was driving it in Dec and the Race Spun on the oilpump shaft. He shut it down as soon as the warning bell went off. (engine is fine) I found the problem but it was to cold to fix. I put it back together last weekend. When i did i did not get the timing right (valves did not hit) after a lot of begging to 10 dealers in Pa I finally found someone who would tell me how to set the timing!!! But when I set it I got the cams out 180% and run it like that engine still turned over free!!! I tore it back down yesterday and got the timing set right this time. The only problem is it starts and runs smooth at half throttle as soon as I try to poor the fuel to it though it has a hesitation and I lost fuel milage. When i had it 180 it ran but had a real bad hesatation between 4-6 RPM and it was sending exaust through my cold air intake is it possible I might of messed up my mass air flow sensor?
Chip
P.S. any help would be greatly appr.
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Sidom
Veteran
/ Moderator
Jun 9, 2009, 6:24 PM
Post #2 of 4
(4032 views)
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Re: !994 VW Passat GLX
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Wow if you didn't bend any valve, then you are very lucky. I'm sure you already know there are no set marks for the chain installation. You mentioned 1/2 throttle but didn't say how it runs @ idle.
I think I would start with a vacuum reading. If it's low & shaky, the timing is off.....
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Asilus
User
Jun 9, 2009, 7:21 PM
Post #3 of 4
(4031 views)
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Re: !994 VW Passat GLX
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Everything youv described sounds like the timing is still not set correctly, when you get exhaust in your intake stroke means the exhaust valve(s) where probebly halfway open as where your intake valves. May not be that far out of correct timeing in order for that to happen. Should be a notch on your cam shaft, as well as your crank shaft, may be a white line or a deep engraving in the gear. That indecated if turned so as it would be at the very top of the shaft that your at TDC ( Top Dead Center ), set TDC on both your cam and crank shafts to TDC then slip the belt back on, making sure to tighten all the nuts back up, as your doing the timing belt it would also be a good idea to set the destributor to the middle of the slider as well. If all alse fails consult the user manual for your car.
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Casper062103
New User
Jun 9, 2009, 7:52 PM
Post #4 of 4
(4027 views)
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Re: !994 VW Passat GLX
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Thank You for your Help!!! Today I tried advancing the Timing one tooth each way!!! Found My timing was right lol but in the proccess I found that my fuel regulator had fuel in the vacuum side so I replaced the fuel regulator seemed to help I believe I just need a tune up now Got 80 out of it in a 1/4 mile not to bad for a stock 2.8 lol will keep you posted on results of tuneup
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