I have two problems;
1 the car cuts out when slowing down, changing down in gears coming up to a junction etc,
2 it overheats and the threepole fan switch does'nt turn the fan on in time to stop the car cutting out due to over heat. I ve replaced the three pole fan switch 4 times with new parts both main dealer and spurious. The fan works fine, there's power going to the fan switch as when I bypass it with a piece of cable it works fine and the engine stays cool and there is no cutting out. PLEASE HELP ME
SOURCE: engine cuts out gti 8v 98 r
clean your throttlebody out,you will need to reset basic setting tho for that you will need to know somebody with a computer for cars ! if you dont know anyone then dont do it!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
SOURCE: 2006 jetta 2.5 engine light on
Go to the VW Vortex site, or VWFixx, or RussTech and stroll around the forums. Find someone near you with a Vag-Com and get the codes. Or go to AutoZone and get the codes.
I've got a 2001 1.8T New Beetle and I am alwasy getting codes. Have repaired and replaced, repaired and replaced, a number of things. O2 sensors, hoses, valves, sensors, etc, etc., and couldn't do any of it without the VagCom.
Bottom line to help is codes, we need codes.
SOURCE: VW Polo 1.4 W Reg
Had the same problem with my 1.4 litre. Cleaned the throttle body thoroughly with a toothbrush. It was OK for a couple of month, then it was the same problem again. I then drilled a ~4 mm hole in the butterfly. No problems after that, and that was about 4 years ago.
SOURCE: Why does my 1971 vw beetle keep overheating?
Make sure your timing is right on, as per your
distributor specs. Make sure the valves are adjusted correctly and that
your carb is not running too lean, as all of these things effect
temperatures! I don't really think the roof being cut off would effect
the overheating a lot. I know that the roofline does help, absolutely,
and it was designed very, very well for maximum cooling.
Also makes sure that your rubber seals are good,
like the ones that go on the spark plug resistors. I don't think air
flow is the issue, you already have louvres. Is your crankshaft degreed
pulley smaller than stock - if so, the fan will turn slower than stock.
What kind of external oil cooler was added - in front of the fan
shroud? Is it over the opening in the fan shroud? I've run one of
those for 35 years in Arizona, no overheating. So like others said,
also check your timing and your fuel/air for leanness.
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