1986 1.8 CABRIOLET FUEL INJECTION PROBLEMS
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RE: 1986 1.8 CABRIOLET FUEL INJECTION PROBLEMS - 8/26/2008 3:32:06 PM
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blue99bug
Posts: 29
Joined: 5/1/2008
Status: offline
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Hi,
Are you talking about the added air for start regulator, or the cold start injector?
There''s a big difference.
Earl
_____________________________
White ''85 Cabriolet
Blue ''99 beetle
Blue ''84 nissan maxima wagon
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RE: 1986 1.8 CABRIOLET FUEL INJECTION PROBLEMS - 8/30/2008 4:43:35 PM
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markadeck
Posts: 21
Joined: 8/26/2008
Status: offline
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I''m talking about the WUR that is bolted to the block right next to the spark distributor. But I may also be having trouble with the cold start injector. It there any way to force it to spray a shot of fuel? I did not get an e-mail notification of your answering me, so that is why it took me so long to reply to you.
Thanx,
Mark
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RE: 1986 1.8 CABRIOLET FUEL INJECTION PROBLEMS - 8/30/2008 8:43:46 PM
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blue99bug
Posts: 29
Joined: 5/1/2008
Status: offline
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quote:
ORIGINAL: markadeck
I''''m talking about the WUR that is bolted to the block right next to the spark distributor. But I may also be having trouble with the cold start injector. It there any way to force it to spray a shot of fuel? I did not get an e-mail notification of your answering me, so that is why it took me so long to reply to you.
Thanx,
Mark
Do you have a service manual? If not, get one.
You can remove the cold start injector and put it in a large clear glass with the fuel line attatched, take the high tension wire from the center of the distributor and ground it, then have someone crank the COLD engine while you observe the injector.
Earl
_____________________________
White ''85 Cabriolet
Blue ''99 beetle
Blue ''84 nissan maxima wagon
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RE: 1986 1.8 CABRIOLET FUEL INJECTION PROBLEMS - 9/1/2008 2:31:10 PM
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markadeck
Posts: 21
Joined: 8/26/2008
Status: offline
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quote:
ORIGINAL: blue99bug
quote:
ORIGINAL: markadeck
I''''''''m talking about the WUR that is bolted to the block right next to the spark distributor. But I may also be having trouble with the cold start injector. It there any way to force it to spray a shot of fuel? I did not get an e-mail notification of your answering me, so that is why it took me so long to reply to you.
Thanx,
Mark
Do you have a service manual? If not, get one.
You can remove the cold start injector and put it in a large clear glass with the fuel line attatched, take the high tension wire from the center of the distributor and ground it, then have someone crank the COLD engine while you observe the injector.
Earl
Earl, first off thank you for your reply. I am leaning away from it being the 5th injector. It starts in the morning after sitting for about 12 hours with about 90 seconds of continuous cranking. But barely runs for about 3 or 4 minutes and then finds its idle and runs just fine. During the day after sitting for as little as an hour it will start up right away, but do the same, barely running for another 3 or 4 minutes. I can''t find any vacuum leaks, it really runs quite well, but seems to have lost 4 or 5 mpg in the last few weeks. I have just had a new fuel distributor installed. The Vdub shop that did the work explained that it does not start right because it needs the warm up regulator. I do not have the money for another regulator. I have tried 2 from boneyards and find it hard to believe all 3 are bad. But why does releasing the pressure off of the warm up regulator allow it to start perfectly and go right to the correct idle. It is a real mystery to me, Someone must have an idea of where to look. Do you agree that the cold start valve (5th injector) will have nothing to do with it when the ambient temperature is 95 degrees and the car has only been turned off for 30 minutes?
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