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Old March 4th, 2018, 14:49   #1
Join Date: Jul 2016
Location: San Diego
TDI(s): 2009 jetta
Default Jetta TDI 2.0 overheating solved


Some days ago my 2009 jetta 2.0 start developing overheating when under acceleration, I'd replace sending units, radiator, thermostat, water pump, Heather core...any of this replacements solve the problem.

I'd check EGR and found this valve stuck open...cleaned it with carbu_clean spray and for my surprise OVERHEATING PROBLEM WAS SOLVED.

ONLY additional option was headgasketh...I'm glad was not necessary to replace it.

Best regards!!!
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Old March 4th, 2018, 15:56   #2
CoolAirVw's Avatar
Join Date: Nov 2005
Location: Kansas City Missouri
TDI(s): Jetta
Fuel Economy: 40

which EGR valve ? There are two. Did you have a code for EGR valve stuck?
Richard. ASE Certified Master Auto-Technician with L1 Advanced Engine Diagnostic Rating. ATRA Certified in Rebuilding, Diagnosing & Installing Transmissions.

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Old March 6th, 2018, 07:50   #3
Join Date: Jan 2001
Location: mi 48836
Fuel Economy: 53 max, 42 min, average 46

Glad your problem has been solved.
Seems like if your car had an EGR valve stuck open you would have had trouble accelerating.
1999.5 a4 Jetta, port matched, RC2, sprint 520's, 1.5" lift kit
1996 Passat B4V, coat hanger supported exhaust system,
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