Question about 1994 Volkswagen Jetta

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1996 VW cabrio runs strong until the temp gauge reaches about halfway to normal, then misses and run intermittently rough below 2000 rpm. As the temp nears normal the condition worsens and smooth operating range rises to 2500-3000rpm. Atempts to cure it include: Sept 28 -Coolant sensors have just been replaced,exhaust has been dropped the check for blockage from deteriorated catalytic converter, spark plugs,elec. wiring harness seemed deteriorated & was repaired ; 18 mos ago fuel filter replaced, ignition wires; 1 yr ago distributor(cam position sensor?). Non VW mechanic was baffled, thought it was cured but recured next day after I picked up car.

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  • uggoftoff Oct 02, 2009

    Thanks for the idea. The car stalled again today and wouldn't start. I had AAA tow it to a VW Dealer shop of long standing. Seems like there are as many solutions to this problem as there are components. I am waiting to hear from them, but at least I have some grasp of the BS quotient. Plus, they can throw parts at it and put them backon the shelf, which I cannot do. Thanks again!

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I had a similar prob with my 94. The breather valve needed to be replaced

Posted on Nov 29, 2009

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I wonder if you've got an EGR valve stuck open that is making it vent exhaust gases into the motor at all times rather than only in wider throttle as it should?

Posted on Sep 30, 2009

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1 Answer

Temp. gauge don't move past half on 1996 VW Jetta


Sounds normal. If the gauge moved further over, it would indicate an overheating problem, wouldn't it? Check that engine is at normal operating temperature after it warms up. If it is running too cold, your thermostat might be stuck open.

Feb 25, 2013 | 1992 Volkswagen Jetta

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Motor shuts down when reaching normal operation temp


Sounds like the mass air flow sensor or the air intake temperature sensor. Sometimes just wiping out the throttle body/air intake can make all the difference

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I have a 2003 chevy impala. just changed the thermastat because the temperature was fluxuating. Since changing the thermastat the temperature gage constantly read in the red, however the coolant level...


You probably need to bleed the cooling system properly.

Open the cooling system bleeder screws.

Slowly fill the cooling system with a 50/50 coolant mixture until coolant runs freely out of bleeder screws.
Close the cooling system bleeder screws
Install the coolant pressure cap
Start the engine.
Run the engine at 2,000 - 2,500 RPM until the engine reaches normal operating temperature. (midway on gauge)
Allow the engine to idle for 3 minutes.
Shut the engine off.
Allow the engine to completely cool.
Top off the coolant as necessary.
Run engine again at 2000 - 2500 RPM until the engine reaches normal operating temperature.
Allow engine to idle until cooling fans come on. It should come on with the gauge about 3/4 of the way to red. - if it gets to where is touches the red, shut down immediately.
When the fan comes on, put your hand behind the fan and observe the temperature of the air coming from the fan. It should feel hot. If it is blowing cold air, the coolant is not circulating through the radiator like it should. This could be caused by lots of things including an improper/defective thermostat, corroded water pump impeller, or a blown head gasket.

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Where is the oil pressure sensor of vw golf 1999


The sensors are usually found on the oil filter flange housing with the oil cooler. Also there are two dynamic sensors to measure pressure below 2000 rpm and above 2000 rpm so it could warn you of pressure loss within those two ranges.

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1 Answer

My 2000 VW Cabrio tempature light is flashing. I


you will probably need to replace the tempurature sensor it's self the car is not actually getting hot.

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Rough Idling, start-up early morning, until engine heats-up


HAVE THE COOLANT TEMP SENSOR CHECKED TO SEE IF IT IS FUNCTIONING PROPERLY.HOPE THIS HELPS. BEST OF LUCK. LET ME KNOW?

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2 Answers

RPM gauge


Crnkshaft position sensor

Feb 07, 2009 | 1996 Nissan Sentra

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