Question about 1990 Volkswagen Cabriolet

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1990 cabriolet manual transmission. Car stumble and looses power

When applying pressure to the gas pedal it will loose compression and choke instead of accelerating

back fires

after driving it a short distance it will not start back up. it will turn over sounding like it's about to start but will not catch.

if you wait 10 minutes it will start back up but still run ruff.

can anyone help me?

also does anyone know the proper firing order or spark plug order..
this has brand new sparkplug dist rotor cap wires etc

a little backround: the car has 110 xxx it was stored in a garage for 6 years. iv had the car for 6 months. it was running ruff for the first 2 weeks. then i did a full tune up. the # 4 plug was flooded with gas and I had to replace the fuel injector sensor / relay. after that it worked perfect. The car also currently needs an exhaust manifold gasget so it runs a bit loud and ruff.

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  • Anonymous Mar 29, 2009

    i took the cover off the timing belt and somewhat did a notch test and it seems to be fine. the belt itself is almost new. i was thinking maybe a fuel pressure regulator or air sensor. I also swaped out the platinum spark plugs for standard mgk. and swapped out the dist rotor wires and air filter. it starts up but boy it's running ultra rich! also still ruff and backfiring. i also double checked the firing order of the plugs all it correct.

    im wondering is there a way to you can suggest to check the belt timing?

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Have u checked belt timing ?

Posted on Feb 18, 2009

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