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2001 Volkswagen Jetta GL 4dr Sedan Manual

2001 Volkswagen Jetta
Trim Info:
Front-Wheel Drive, 4 Door Sedan GL, Compact
24 mpg city / 31 mpg hwy
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July 10, 2013, 7:13 am

Dev B

Question: Could this be my fuel injectors or something else?

I have a 4 cylinder 2001 jetta gls. My check engine light starting blinking so I went to the local auto store and they said that cylinder #4 misfired. So I replaced all of my spark plugs to see if that would help. It did, but then my car would start with the checking engine light blinking again whenever I had less than 1/4 tank of gas. Since then I filled up my gas tank and now the check engine light is just on and my car is running fine. The spark plug wires look fine.

July 16, 2013, 8:23 pm

Tyler O

Usually misfires are ignition related. Check spark plugs, check for oil or water around plugs or wires. Check ignition coils etc.

You can check the fuel injector by listening for it's operation while running (use a stethoscope) and check for power to the injector with a noid light.

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