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I put regular unleaded in to my 98 vw passat, will this have any affect on my car. The power is not as strong anymore but what can I do????

2007-07-29 19:33:27 · 9 answers · asked by Anonymous in Cars & Transportation Car Makes Volkswagen

9 answers

the power lose thing is probably in ur head... since you only lose like 3% of ur power...

U r fine, cars nowaday has knock sensor in its cylinder, it will lower the compression of the engine, and adjust the fuel mixture if the gasoline make any uncontrolled combustion.

just drive it as you normally do, and avoid full throttling ur car.

2007-07-29 19:39:39 · answer #1 · answered by steak5959 3 · 1 2

Has no effect on the car. Unless you have a hi-performance engine you will not notice the difference between regular and premium(except in the wallet). It is more a sales ploy. The higher octane prevents pinging on the high compression engines(which VW is not). If you would rather have premium, just keep adding from that pump. The regular will get diluted and used up. No biggy.

2007-07-30 02:22:23 · answer #2 · answered by Anonymous · 0 1

Use the fuel that VW. recommends in the owners manual. If you bought the car in 98 it's 10 years old. High mileage and the car will not have the power as in the past.

2007-07-29 19:47:25 · answer #3 · answered by jet5249 4 · 0 1

It's ok... You'll only experience loss of power, because the octane number is lower.
the affect will not damage your engine permanently.

if you want your passat's power back, you have two choices.
1. change fuel to a higer grade
2. if you want to keep using regular unleaded buy octane booster (usually the brand is STP, Wynne's, etc, the best is Red Line) and put it in your tank, be sure to read the amount ratio for consumption, because each brand has a diffrent ratio.

2007-07-29 19:59:20 · answer #4 · answered by dewo96 2 · 0 1

So long as you only do it once you are probably OK, but these German engines weren't built to run well on low grade fuel. If you persist you run a significant risk of doing serious damage to the engine.

2007-07-29 19:47:58 · answer #5 · answered by Chris H 6 · 1 0

when you get to 1/2 tank fill up with high test and don't tow anything or drive ruggedly steep hills like San Francisco or Athens.

It shouldn't hurt anything.

ASE Cert Auto Tech, 92 GTI16V 2.0L

2007-07-30 10:14:37 · answer #6 · answered by Anonymous · 0 0

is this a diesel car? or is it supposed to use premium only? if it's a diesel you're in trouble. if it's supposed to get premium, regular shouldn't cause a problem.

2007-07-29 19:41:54 · answer #7 · answered by njyogibear 7 · 0 0

get a fuel additive and poor in the tank

2007-07-30 04:31:28 · answer #8 · answered by glad2bhalfbreed 2 · 0 1

listen to the steak dude, GOOD advice!

2007-07-29 19:48:25 · answer #9 · answered by CrAzY D 2 · 0 1

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