2003 Golf TDI. 90000km.
Engine light came on about 1 month ago,heat gauge was swinging up & down.The shop replaced the glow plugs and wiring harness.
Cured for 2 weeks. Light comes on again.
The shop this time replaces thermostat & H2O temp sensor.
Good for 3 days,now damn light always on.
The garage checked out the codes again,but cant find anything.
My readings have told me the engine light is associated with the emmissions
system.
Any of you experts have any ideas??
Doug
2003 Golf TDI engine light wont go off...
Moderator: Fatmobile
-
- Turbo Charger
- Posts: 791
- Joined: Mon Oct 17, 2005 7:21 pm
- Location: Kansas City area, Missouri
Re: 2003 Golf TDI engine light wont go off...
If they are scanning it with a generic scanner then that is why. I would try again with generic but if that dont get you the codes then you'll need to find a shop that is equipped with a VAG-Com or have a dealer scan for codes (dealer is last resort!).bassyb wrote:The garage checked out the codes again,but cant find anything.
Richard
85 Jetta TD
ASE Certified Master Auto-Technician with L1 Advanced Engine Diagnostic Rating and Light Diesel certification
ATRA Certified in Rebuilding, Diagnosing & Installing Transmissions
My Threads---> <a href="viewtopic.php?t=6255&postdays=0&postorder=asc&start=0" target="_blank">Rusty Floor Repair </a> ---- <a href="viewtopic.php?t=4923&highlight=" target="_blank">Oil Pressure Warning</a>----<a href="viewtopic.php?t=6632" target="_blank">Uploading Pictures</a>----<a href="http://www.914world.com/bbs2/index.php? ... t&p=730755" target="_blank">My Porsche 914</a>
85 Jetta TD
ASE Certified Master Auto-Technician with L1 Advanced Engine Diagnostic Rating and Light Diesel certification
ATRA Certified in Rebuilding, Diagnosing & Installing Transmissions
My Threads---> <a href="viewtopic.php?t=6255&postdays=0&postorder=asc&start=0" target="_blank">Rusty Floor Repair </a> ---- <a href="viewtopic.php?t=4923&highlight=" target="_blank">Oil Pressure Warning</a>----<a href="viewtopic.php?t=6632" target="_blank">Uploading Pictures</a>----<a href="http://www.914world.com/bbs2/index.php? ... t&p=730755" target="_blank">My Porsche 914</a>
-
- Turbo Charger
- Posts: 791
- Joined: Mon Oct 17, 2005 7:21 pm
- Location: Kansas City area, Missouri
Isn't that a little contradictory? Pre 07 have no emmisions but the "EGR" may have carbon??JRM wrote:that is odd, pre 2007 diesels really do not have a emmissions system to speak of, may be carbon in the EGR system
Isn't EGR an emmissions device?
EGR's purpose is to reduce NOX. (NOX is a emissions gas)
Richard
85 Jetta TD
ASE Certified Master Auto-Technician with L1 Advanced Engine Diagnostic Rating and Light Diesel certification
ATRA Certified in Rebuilding, Diagnosing & Installing Transmissions
My Threads---> <a href="viewtopic.php?t=6255&postdays=0&postorder=asc&start=0" target="_blank">Rusty Floor Repair </a> ---- <a href="viewtopic.php?t=4923&highlight=" target="_blank">Oil Pressure Warning</a>----<a href="viewtopic.php?t=6632" target="_blank">Uploading Pictures</a>----<a href="http://www.914world.com/bbs2/index.php? ... t&p=730755" target="_blank">My Porsche 914</a>
85 Jetta TD
ASE Certified Master Auto-Technician with L1 Advanced Engine Diagnostic Rating and Light Diesel certification
ATRA Certified in Rebuilding, Diagnosing & Installing Transmissions
My Threads---> <a href="viewtopic.php?t=6255&postdays=0&postorder=asc&start=0" target="_blank">Rusty Floor Repair </a> ---- <a href="viewtopic.php?t=4923&highlight=" target="_blank">Oil Pressure Warning</a>----<a href="viewtopic.php?t=6632" target="_blank">Uploading Pictures</a>----<a href="http://www.914world.com/bbs2/index.php? ... t&p=730755" target="_blank">My Porsche 914</a>
-
- Cetane Booster
- Posts: 36
- Joined: Thu Jun 05, 2008 6:03 pm
- Location: PacifcNorthWest
I second the temp sensor. I had an '00 VR6 Jetta (I know, it's not a TDI) and the sensor that fed the ECU went bad but the sensor for the gauge was working normal. Symptoms was hard starting and rough running with the temp gauge reading normal. Went to Schucks, since they loan out their code reader for free, and read the stored code. Pointed me right to the sensor (I also had the Bentley for it).caveman wrote:heat gauge swinging around and a shop that doesn't know what to look for. replace the coolant temp sensor,they have a high failure rate ,can give numerous dtc's and if a garage isn't sure ,the dtc seems to tell them the thermstat is bad.