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Volkswagen Passat Engine Issues

72 messages,  Last post on Sep 01, 2009 at 6:26 AM

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What is this discussion about? Volkswagen Passat, Engine, Sedan, Wagon

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#13 of 72 Re: One more beep and someone gets hurt... [snafu858] by ana99 Mar 22, 2007 (11:07 pm)
Replying to: snafu858 (Feb 23, 2007 5:12 pm) It's been a month since I first read your response to my post, have you found any answers? I've been reading a lot of threads on different forums. No closer to fixing this beeping HELL.
#15 of 72 ABS & Brake Lights by gls99 Mar 24, 2007 (7:02 am)
My 1999 GLS displayed the same signs. Eventually, the tach would quit and the entire instrument panel went haywire. The dealer initially said it was the instrument panel and replaced it. No luck. They stuck the old one back in and finally came up diagnosing the ABS module as the culprit. Once that was replaced, the problem went away. Luckily I had separate warranty insurance as the cost was almost $1,200.
#17 of 72 HELP extreme loss of power by bigjon2 Apr 01, 2007 (10:07 am)
hi i own a 1997 20v 1.8t sport passat ive owned this car for 3yrs and a problem has started.whilst driving in any gear the car suddenly loses all power when accelerating hard and nearly throws you through the windscreen when i take my foot of the acc pedal power comes back until the next time accelerate hard.ive had my car in 3 differant garages all vw/audi specialists no faults found ive just discovered that if i turn of ignition the rest of my journey continues without a problem and acceleration is superb! PLEASE HELP just fitted new cam belt and all 20valves after belt snapped possibly due to this problem
#18 of 72 Passat 2.0T Gas Question by kblurple Apr 05, 2007 (10:56 am)
Just got a 2007 Passat 2.0T wagon and love it -- everything about it, except for the sticker on the gas tank door that says MUST USE 91 OCTANE or HIGHER.   Do I really need to use 91 octane or higher? Any suggestions would be very much appreciated. Replies to this message: stephang (Apr 05, 2007 11:16 am) 600kgolfgt (Apr 22, 2007 5:40 pm) krzyss (Apr 05, 2007 5:39 pm) 3screwsloose (Apr 21, 2007 9:37 pm)
#19 of 72 Re: Passat 2.0T Gas Question [kblurple] by stephang Apr 05, 2007 (11:16 am)
Replying to: kblurple (Apr 05, 2007 10:56 am) My understanding is that you do not have to, but it is highly recommended. Using 87 will affect the gas milage. More knowledgeable input would be also appreciated. Replies to this message: 600kgolfgt (Apr 22, 2007 5:40 pm)
#20 of 72 fuel by krzyss Apr 05, 2007 (5:39 pm)
Replying to: kblurple (Apr 05, 2007 10:56 am) You have high compression forced induction engine. You must use 91 octanes.   Krzys   PS I bet occasional use will not harm the engine but I bet its output would be significantly reduced.
#21 of 72 Re: Passat 2.0T Gas Question [kblurple] by 3screwsloose Apr 21, 2007 (9:37 pm)
Replying to: kblurple (Apr 05, 2007 10:56 am) YES YOU DO! If you want to. My '02 loves Ethyl when the outside temp is above 90. I don't use it unless I am hauling a load, or I might alternate tankfuls of reg/prem. Mileage will suffer w/reg, but the cost is a factor - 20-30 cents difference. I once got 40.7 w/prem - now 35 w/reg. 1.8T/Tip - 122K mi. ( highway of course ). The knock sensors will retard the ignition timing to compensate for the reg fuel. You MIGHT be able to tell the difference in performance if you clock it and drive hard, but who drives like that in town anyway?
#22 of 72 Re: Passat 2.0T Gas Question [stephang] by 600kgolfgt Apr 22, 2007 (5:40 pm)
Replying to: stephang (Apr 05, 2007 11:16 am) When using fuel other than premium, the engine's computer and two knock sensors work in unison to "de-tune" the engine at the first sign of a potential knocking situation (the air fuel mixture detonates before the piston reaches full compression position). The consequence of this is that your engine is not operating at its full horsepower potential - and a subsequent drop in fuel economy.   Saving $0.20/gal using regular just isn't worth the hit in fuel economy...   In other words...like 3screwsloose said...

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