Question about 2003 Volkswagen Eurovan
The engine will only crank, not start. I just put in a brand new battery.
What kind of car is it?
First you need to find out if the car is lacking fuel or spark?
Pull a sparkplug wire and see if it sparks while cranking the engine. Hold the wire near the engine and see if it sparks to the engine. if its a deep connector put a screw driver in it and hold that near (1/2") the block or any grounded metal part. If there is no spark then that\'s your problem and you must find out why. To check for lack of fuel open the air intake hose, between the air cleaner and the engine intake carefully squirt a little fuel in and crank the engine.. If the engine tries to run, fires, then you are missing fuel. in almost all late model cars that are fuel injected the pump is in the tank.. on most American and Japanese cars you must remove the tank to replace the pump. on many German cars you can get to the pump or pumps under the back seat. There is a relay that drives the pump. when you turn on the key you shoud hear a click followed by another click 1.5-3 seconds apart. Many time you can hear the pump run for this short time. Open the cas cap and listen for the pump running. These pumps are expensive and many times hard to replace. Make sure the pump is bad before you go to replace. And last.. Possibly first.. Remove the fuel filter blow through it and make sure its clear. Since you have it off replace it. Good Luck.
Posted on May 10, 2014
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Posted on Jan 02, 2017
Have you flushed out all of the old unleaded fuel from the system and fitted a new fuel filter? Unleaded fuel only lasts for a very short while before going off. You need to flush out the tank and the fuel lines and then put fresh fuel in the tank and fit a new fuel filter or you could be leading yourself on a wild goose chase.
Do you hear the fuel pump running for a second or two when you switch on the ignition? If not then you need to check the fuel pump positive terminal for battery voltage with a volt meter whilst someone switches on the ignition for you, and check the fuel pump negative terminal to ensure it is properly earthed.
If you have a live and an earth at the pump but the pump still isn't running then you need to renew the fuel pump.
If these suggestions don't solve your problem then I'll need to know what size engine is in the car before I advise you further.
Posted on Jun 21, 2008
SOURCE: 03 jetta 1.9L won't start
do you know where the 109 relay is??, it is about $ 40 at the dealer, let me know if not I can direct you exactly what to do, how many miles on the car and what part of the country are you in, yes it does make a difference,
Posted on Feb 16, 2010
If the engine cranks over normally when you attempt to start you car, but the engine does not start, the problem may be NO FUEL, NO SPARK or NO COMPRESSION. The engine needs adequate fuel pressure, a properly timed spark and normal compression to start.
1) To find why the engine won't start, remove the air inlet tube from the throttle body, push the throttle open and spray a small amount of aerosol starting fluid into the engine. Crank the engine. If it has spark and compression but NO FUEL, it will start and run a few seconds before dying. If it does NOT start, it probably has NO SPARK.
2)Another method to check for spark is to pull a spark plug wire off of a spark plug (if it has plug wires, coil-on-plug ignitions do not) and place the open end of the plug wire near a metal surface on the engine. Have a helper crank the engine while you watch for a spark. DO NOT hold the wire while doing this as it can shock you. If you see a spark, the problem is not spark, but most likely NO FUEL or NO COMPRESSION. If you do not see a spark, the problem is in the IGNITION CIRCUIT.
3)Proper fuel pressure is critical for fuel injected engines to start and run. You should hear the fuel pump inside the fuel tank buzz for a couple of seconds when the ignition is turned on (no buzz means the pump is not running and the engine is not getting fuel). You can smell the tailpipe for gasoline vapors after cranking the engine. If you smell gas, the problem is likely not fuel but NO SPARK. You can also remove the plastic cap and press the Schroeder valve test fitting on the fuel rail to see if there is any fuel pressure to the engine (not a very accurate test because fuel pressure must be at a certain level for the engine to start, for that you need a gauge). Even so, no fuel at the fuel rail would tell you fuel is not getting to the engine.
Posted on Jun 30, 2010
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