Jetta sputters when cold

Sep 07, 2003 5 Replies
P

Hi Everyone,



I have noticed over the course of the last week or two that when I start my Jetta after it has been sitting for a while, it sputters/bogs down when I put it in drive and put my foot on the accelerator. It happens for 1-3 seconds, and then she takes off no problem. The coolant temp sensor, O2 sensor, Plugs, Wires, Cap and Rotor, and air/fuel/oil filters are all new within the last 6 months.



Any Ideas?



It's a 1990 Jetta GL Wolfsburg Edition



1.8L Digifant engine with automatic transmission

Thanks,



Peter


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M

Does it go away for good once you're driving? If not, it may be your fuel pump (the one in the tank). Or it could be as simple as a fuel filter. You could have a bad air bypass. Or even a vacuum leak. Good luck.

Tim

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P

It goes away as soon as I get going...It is just the first couple of take offs...once the temperature needle moves the slightest amount, it's fine.

- Peter

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M

If it's the in-tank fuel pump, you should notice it start to get worse. Especially on hot days.

Tim

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P

It's a new pump!

- Peter

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