Question about Cars & Trucks
Tach going up and down you have a vacuum leak. check vacuum hoses especially the PCV line ant itself
Posted on Feb 24, 2012
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Posted on Jan 02, 2017
sit in the drivers seat close the door. with the key off hold the trip odometer button in then while holding the button in turn the key on. if done correctly this will put the MIC (mechanical instrument cluster) into a self test. if the speedometer does not move like the rest of the gauges during this test the MIC must be replaced. if the speedometer does move it is likely your problem will be fixed, however, if the speedometer does move but it does not start working properly then further diagnostic will be needed.
Posted on Apr 11, 2009
I'm not sure about the fuse box layout on that model, but I do have a tip for finding fuse related problems. Get a cheap test light and connect the alligator clip to the negative battery terminal. Roll the key to the RUN position ( do not start). Look carefully at the fuses while they are plugged in. You should see a little silver tab on both sides of the top of each fuse. Touch one with the probe of your test light. It should light up. Now touch the other side. If it doesn't light up on both, the fuse is blown. If it doesn't light up on either side, then there is no power getting to the fuse and you'll have to do more digging, but it may be normal. Some circuits are only energized under specific conditions.
Posted on Apr 12, 2009
Hold down the black plastic TRIP METER RESET switch for 10 sec and ti will go into diagnostic mode. I did this and its cool. Do it with the van turned off!
Posted on Sep 27, 2009
For the 2003 Dodge Caravan (and Grand Caravan) ALL 3.3L V6 Engines (including the Flex Fuel): Also for 3.8L V6 Engines:
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Posted on Jun 06, 2010
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