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Author Topic: Aux air valve  (Read 1833 times)

Offline Danny

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Aux air valve
« on: 09 October 2006, 21:02 »
Cant find the AUX air valve? Can anyone help? 1.8
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Offline Madone_si

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Re: Aux air valve
« Reply #1 on: 09 October 2006, 22:22 »
Hi danny

What model is your car? mk1 golf 1.5, 1.6, 1.8 is it a GTI, caddy, cab?

Most Aux Air valves on a 1.8 GTI are mouted and located just behind the intake manifold on the left hand side, if you are standing in front of the car...

 
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Offline Danny

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Re: Aux air valve
« Reply #2 on: 10 October 2006, 13:44 »
Thanx! Found it. I've been thinking to replace it. I got this problem. When I start the car in the morning it runs perfect. When I get into traffic and the engine heats up the car begins to miss and hesitate. Eventually I have to pull over and let it sit for 15-20 mins, before I can attempt to get back on the road :embarassed: So after that it just happens again. So what do u guys think? Is it that or could it be the Warm-up regulator?
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Offline Danny

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Re: Aux air valve
« Reply #3 on: 10 October 2006, 13:46 »
it hesitate when i get on the gas. idles fine. its a 1.8gti
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Offline Danny

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Re: Aux air valve
« Reply #4 on: 11 October 2006, 16:21 »
I swaped out the Aux Air Valve for a new one. ($80). So far so good. Still gotta put it through the test. I gotta drive it through some traffic and let you guys know if that solved my issue.

If that doesn't work... I guess I'll start looking at the Warm-up Reg. Be back gonna go drive it around.
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Offline Danny

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Re: Aux air valve
« Reply #5 on: 17 October 2006, 21:54 »
Well although the Aux Air Valve didn't solve the problem, it did make the engine run smoother. I just ordered the Warm-up Regulator (aka Fuel Pressure Reg.) According to my VW specialist, that should solve the problem. He said that 2 out of 3 old Dubs have this problem and that the Warm-up Reg is whats gone to hell. Too bad this parts is costing me a bit ($240). Should get the part in 2morrow. I'll post how it goes.
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Offline Danny

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Re: Aux air valve
« Reply #6 on: 22 October 2006, 22:24 »
Just got back from a long ride on a hot day. I just replaced the Warm-up Regulator. I thought that would been the solution for the "hot sputters", but that didn't work. Man I've replaced almost everything on this 1.8 GTI ; 84. I have no idea anymore. Could a fuel pump going old cause the car to run crappy when its hot?

Its always runs crappy when the right VDO gauge gets to 100
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