Question about 1993 Volkswagen Jetta
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Posted on Jan 02, 2017
SOURCE: Engine Control Unit(ECU)
The ECU is a Direct Link to the Onboard Computer. You may need to get the Computer Replaced or at Least have a Mechanic run a Diagnostics Check on it. The reason it is acting this way is Because you are just Clearing the Trouble Codes by removing the ECU for a while. It is still sending a Fatal Error after Driven for a While.
Posted on Jan 21, 2009
VW didn't put a "dipstick" on the trans for whatever reason. You technically have to use the VW Vag-Com scanner to properly check the trans fluid level as VW says it has to be checked at a specific temperature. But there is a "shade-tree" workaround. Start the car and leave the engine running the throughout the entire procedure. You have to get the trans fluid warm-a little under normal operating temp. 95F-104F is what you want-you can attain this after letting the car idle for 8 or so minutes. Continuing, leave the trans in park, and make sure you are on as level of a surface as possible. Then loosen the allen plug on the bottom of the trans pan. You will then see another plug. Remove this plug. Fluid should just trickle out of the hole if it is at the proper level. If it trickles out, you are good. If it doesn't you need to add fluid. Add VW spec ATF through the fill port.The fill port on the top front of the trans is capped off by a red cap and is very visible. Very carefully pry the cap off and then wiggle the plug out. I'd highly suggest having a spare red cap on hand-VW dealer has them. Then you can pour fluid into the trans. Add a little bit at at time, and all the while watching for the fluid to tricke out of the trans plug hole. When it trickles out, replace the inner plug and then the outer plug. That's it. Recheck after driving the car for a few miles. FYI- A flud and filter swap on the the VW auto trans takes 3 liters, so keep that in perspective. I hope this helps you out.
Posted on Apr 14, 2009
There are two coolant temp sensors. One by the oil filler tube and one near the bottom radiator hose near the radiator.
When you flushed the coolant did you replace with VW rated G12 coloant? Very Important! - You can't use over the counter coolant - it'll cause sludge in your system. You have to use G12...
Hope this helps!
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Posted on Jul 18, 2009
Either you have a broken wire some where from the speed sensor to the cluster or you have connector at fault, the one which hookup the dash cluster to the main wire bundel. Check the connector, maybe a pushed back pin !!
Posted on Aug 08, 2009
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