![I have a Scan Gauge engine computer hooked up to my 2002 VW golf TDI Automatic Trans. And last night the check engine I have a Scan Gauge engine computer hooked up to my 2002 VW golf TDI Automatic Trans. And last night the check engine](https://ww2.justanswer.com/uploads/boarderline014/2009-09-29_161936_2002_golf_CO_Sensor_TDI.jpg)
I have a Scan Gauge engine computer hooked up to my 2002 VW golf TDI Automatic Trans. And last night the check engine
![Tutorial-How to change coolant temperature sensor (4.2 engine) and improve fuel economy (gas mileage) | VW Vortex - Volkswagen Forum Tutorial-How to change coolant temperature sensor (4.2 engine) and improve fuel economy (gas mileage) | VW Vortex - Volkswagen Forum](http://www.houseofcadillacs.com/misc/phaeton/coolantdrain.jpg)
Tutorial-How to change coolant temperature sensor (4.2 engine) and improve fuel economy (gas mileage) | VW Vortex - Volkswagen Forum
![Coolant Temperature Sensor Water Switch 4 Pin For V W Jett a Golf Beet le Passat A udi A3 S3 A4 TT TTS 059 919 501 A|Temperature Sensor| - AliExpress Coolant Temperature Sensor Water Switch 4 Pin For V W Jett a Golf Beet le Passat A udi A3 S3 A4 TT TTS 059 919 501 A|Temperature Sensor| - AliExpress](https://ae01.alicdn.com/kf/HTB1Kv4GnLuSBuNkHFqDq6xfhVXa3/Coolant-Temperature-Sensor-Water-Switch-4-Pin-For-V-W-Jett-a-Golf-Beet-le-Passat.jpg)
Coolant Temperature Sensor Water Switch 4 Pin For V W Jett a Golf Beet le Passat A udi A3 S3 A4 TT TTS 059 919 501 A|Temperature Sensor| - AliExpress
![5Set Green Car Engine Coolant Temperature Sensor Water Temp Switch 4 Pins for Audi A2 A3 TT VW Passat Golf 059919501A 078919501C|Temperature Sensor| - AliExpress 5Set Green Car Engine Coolant Temperature Sensor Water Temp Switch 4 Pins for Audi A2 A3 TT VW Passat Golf 059919501A 078919501C|Temperature Sensor| - AliExpress](https://ae01.alicdn.com/kf/H2a39fae3c61742ceb23b06feab3a7741x/5Set-Green-Car-Engine-Coolant-Temperature-Sensor-Water-Temp-Switch-4-Pins-for-Audi-A2-A3.jpg)