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Can I use unleaded fuel in my jetta 2 1989 model. I had no problems since I bought the car about 2 months ago but over the past 2 weeks it started jerking!

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Lead was removed from gasoline in the united states in 1979 so i dont think that is the problem more than likely you are experiencing a secondary misfire like a faulty spark plug or spark plug wires if the vehicle has not had a tune up in a while you might start there

Posted on Dec 11, 2012

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Yes ! You have another problem.

Posted on Dec 11, 2012


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Posted on Jan 02, 2017

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Perhaps when the fuel pump was replaced, the filter was not replaced, or the dirt in the tank was not cleaned out. Sometimes these problems are a result of the filter getting clogged up and fuel is not able to reach the fuel rail. The car sits for a while, the sediment falls from the filter, it then starts and runs for a time, all the while, little by little, the sediment recollects and starves the fuel rail again.

Posted on Nov 11, 2008

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SOURCE: 1994 Volvo 940 turbo wont start!!!!!! =[

I am a volvo tech and your problem is fuel pressure ralated and i had same problem in 1995 850 turbo and the fuel pump was the problem and a used one is around 35.00

Posted on Apr 11, 2009

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SOURCE: Hi, I just purchased a VW Polo 1.6 Classic 2004

Please re-check the fuel system to ensure that there are no blockages anywhere.
Good luck.

Posted on Jul 15, 2009

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SOURCE: 2004 jetta tdi wont stay running acts like running

It's very possible the fuel pump is going out. Same thing happened on my 2001 New Beetle about 6 weeks ago, until it finally would not start at all. I have the software and dongle for reading the computer codes, and the failure modes described led me to the fuel pump.

Depending on how handy you are, you can remove the fuel pressure regulator on the fuel rail in the engine compartment. Cover the regulator base on the fuel rail with a rag, and have someone turn the key on for 1-5 seconds and note if fuel consistently pumps out of the base. BE CAREFUL AND DO NOT HAVE ANY OPEN FLAMES OR SPARK IN THE AREA. Fuel is flammable, and there may be significant amounts pumped from the fuel rail.

Posted on Dec 11, 2009

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SOURCE: Possible security light problem on 1999 pontiac firebird...

if you have the chip in the key, then this will surely help you: . It was the only thing that saved my car.

Posted on Mar 08, 2010

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I just used it a few weeks ago and it worked fine. I put the rest of the gas that I bought maybe 4-5 months ago in the tank to fill the tank half full. It always started in past on 1 or 2 cranks every...

Assuming the car is getting fire from the coil and dist., I would put a shot of starter fluid in the throttle body and see if it starts, You may have a plugged fuel filter or fuel pump. I would also check the cat and muffler to be sure they are not plugged. If they are the back pressure on the engine will not allow the fuel into the cylinders and thus not fire the engine. Hope this helps.

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Can 94 jetta run on leaded or unleaded petrol

It is best to run this engine on unleaded petrol. A high grade unleaded will give you extra performance and cause no damage. Leaded fuel was designed for cars made in the 60's to 80's that had used softer materials in their cylinder heads, leaded fuel pro-longed cylinder head life and reduced pre-ignition. Unleaded fuels are a cleaner, safer fuel to use.

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If the Service Engine Soon Light is on continuously there is a serious problem with one of the systems of your engine. Have it checked as soon as possible. Unfortunately, it could leave you stranded which will be very inconvenient.

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Vehicle just keeps cranking wont start.

Make sure that your fuel presure is up to at least 60 psi if not that could be your problem. If not, make sure you are getting spark, if not could be your Crank sensor or ingniton module ECM. Usually if your Engine control module wouldn't be bad because of your fuel pump is working, but may not be putting out the proper pressure for the fuel system. Fuel Pumps are a Problem with that year..

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