I got a 92 jetta 1.8 L that is sraying and ungodly amount of gas into all cylinders and will not start. When I took out the plugs and checked the compresion of each sylinder I and the whole engine compartment got covered in gas in about two seconds. I checked the fuel lines(including the return line) and they are clear and I replaced the fuel regulator and had no improvment.Any body have any ideas????
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I bet it's the gas. After some time the gas will no longer be volatile enough to start the car. Try draining all the fuel and putting in some fresh gas. Remember, when you try to start it again you'll need to get the new gas through the pump and lines before it will start. Also, check the condition of the injectors. Old gas can start to break down and build up a film that could be on your injectors (or clog your fuel filter- better check that too). Hope this helps.
I have seen two different problems with symptoms like this. 1. A leaking injector. If one of the injectors is leaking a small amount through the pintle on the end of the injector it will bleed the fuel system presure off and dribble fuel into the cylinder, fouling that cylinder. When you try to start it the fuel that has pooled into the manifold will create smoke when it does start. And since the fuel pressure has bleed off to zero PSI in the fuel supply lines it will need time for the fuel pump to recover the system up to normal operating presure. Presure testing (bench test) of the injectors is needed to verify this. 2. A bad fuel pump, relief valve, or bleed-back check valve will bleed the fuel system presure off while it is sitting. To find out if this may be the problem a fuel presure guage set needs to be installed and then run the engine, verify the operating presure is normal, and then shut the engine down and watch the fuel pressure for exessive drop.
The leaking injector is more apt to create the smoke when it fires up, but both can cause this. I would start with check #2 first. Of course there are many other things that can cause symtoms like this but these 2 are the most likely causes.
Hope this helps, if you have any further questions just ask!
I would bet that your fuel line is either clogged with dirt or you fuel pump is not working. Pull the air cleaner or cover off of the injector. Then try to start the car. If you don't get anything then try a small amount of gas into the injector. Try starting immediately. If it starts then dies it's one of the two. If the engine continues to run it is most likely your fuel injector or a slight chance it is a fuse. VW's are great cars but they can be tempermental. Have you googled your car year and make for recalls or simlar issues with other owners? Good Luck
theres a schrader valve on the fuel rail it where the injectors are press in valve stem it will spray gas if no gas check fuel pump operation start with fuses and relays also check for plugged fuel filter which is inline with fuel line in back of car in front of fuel tank
It is on the passenger side right behind the washer fluid fill tube. You can follow the fuel lines (look like 1/4" black tubes, some are clear) from the injector pump to it. It is a caniser a bit bigger than a normal looking oil filter and sits between the washer bottle and the metal that forms the wheel well. It is held in by a screw type clamp about half way down the cylinder. Probably isn't the fuel filter unless there is air in the lines to the injector pump or they didn't bother to fill the fuel filter up with diesel after putting it in. There is not a fuel pump in the tank in these cars so everything is sucked up by the injector pump and it needs to be primed properly.