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High RPMS on some start ups..

2106 Views 13 Replies 5 Participants Last post by  navynuke0407
I have a 99.5 Jetta 2.0 and sometimes on occasion when i start her up the rpms go up to about 2-2.5k and then slowly get down to 1200 and stays there... anyone know what is the normal idling rpms for the 2.0 engine... and anyone know what could be wrong...
1 - 3 of 14 Posts
throttle position sensor?
or probably cause its cold..
because the thermostat opens
1 - 3 of 14 Posts
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