Audi A4 B6 Coolant Temperature Sensor Replacement 2002 200 11 19 2003 09:34 am. tags. a4 (b6 platform) discussion engine coolant temperature (ect) sensor replacement in b6 1.8t long write up background: i was getting a racing fan (sounds like a leaf blower) at start up on my 2002 1.8t. eventually, it threw a solid cel, and the code pulled was 16502: engine coolant temperature cicuit, (g62): high . 2005 a4 3.0, new water pump, thermostat, audi coolant and temperature sensor by firewall getting a random p2181 code still. system bled, temp gauge in the middle, fan comes on cold sometimes. any ideas possibly lower sensor?.
Audi A4 S Line Quattro B6 Coolant Temp Sensor 1 8ltr Bex I4 20v Dohc 5. remove the c clip with a flathead screwdriver, slip the cts out of the reservoir, and a little bit of coolant will pour out. as long as the coolant reservoir cap is sealed tightly, coolant shouldn't spill out continuously. 6. put the new sensor in. 7. Re: a4 tdi b6 engine coolant temperature sensor replacement – 08 10 2007, 08:49 pm. i replaced my temp sensor on my 2000 a4 quattro with the 2.8l engine several months ago. everything has been fine so far until this past weekend. i cranked the car up and the temp hand went all the way to hot, completely pegged out. The coolant temperature sensor on the audi vw 1.8t is known to fail in a variety of ways, both mechanically and electronically. replacement is straightforwa. 1. location. stoke on trent. mar 21, 2018. #1. hello all. after a bit of research on here i decided to replace my coolant temp sensor ( hot air coming through vents but temp not going above 70). so today my replacement sensor came (which i got from ebay for £5 the problem ??).
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