Need help code p1108

**ROMERO98Z28** · 09-11-2010, 08:49 AM

This is my second time i changed my coolant sensor that gos in the driver side head....and i always have to go to the dealer ship for a new one...cause my sensor has 3p pin con......the autozone one has a newer 2 pin con....what can i do??cut and put a newer 2 pin con???my car is a 98 a4 z28 stock please need help...p.s. The car drives find never over heats...just the fans stay on all the time

**Orcus79** · 09-11-2010, 09:37 AM

Second time in how long? Cutting and splicing sensors is never really a good idea. What kind of coolant mix are you using and when was the last time it was flushed?

**Cutlass** · 09-11-2010, 04:24 PM

You need to stay with the stock 3 wire sensor.
You code must be P0118, right? How much time/miles past between sensor failures?

**ROMERO98Z28** · 09-14-2010, 10:26 AM

I changed the water pump mixed dex-water and 2 weeks later it went bad went to the dealer ship to buy one...put it on it lasted one month just went bad...went back to the same dealer ship got a free replacement and the ses is still on...what should i do??

**ROMERO98Z28** · 09-14-2010, 10:27 AM

Yes the code is po118

**2001NBMZ28** · 09-14-2010, 12:16 PM

Sure it's not a wiring/connector/PCM issue? www.gearchatter.com/viewtopic8760.php Fans shouldn't be running 100% of the time....

**Cutlass** · 09-14-2010, 03:44 PM

I agree, it sounds like its most likely a wiring or connector issue at this point.

**ROMERO98Z28** · 09-27-2010, 09:38 AM

Got a new sensor still the ses is on...fans still on... When it reaches 200 dress the fans cut off?the my car dies...wont start got to let it seat for like 30 min then it start right back up??

**shady milkman** · 09-27-2010, 09:59 AM

the coolant temp is a integral part of the fueling etc etc..if it is misreading or messed up..it will cause a lot of issues...id put a reader on those wires and make sure your voltage is in check

**Cutlass** · 09-27-2010, 05:11 PM

3 sensors and still not fixed...I'd check the wiring and connections for problems.

**ROMERO98Z28** · 09-30-2010, 10:51 AM

Checked out with the reader the yellow and green are good the brown one had no voltage at all???yall think it is the wires

**Cutlass** · 09-30-2010, 05:46 PM

The brown wire is the sensor ground back to the PCM and with the sensor disconnected, it won't have voltage on it. But the brown wire is important. The PCM measures the voltage on the brown wire to determine the coolant temp. The yellow wire should have approximately 5 volts on it.

**ROMERO98Z28** · 10-01-2010, 06:47 AM

Yeah the yellow did have almost 6volts,the green one have more so i think it could be the pcm...and just got the car it hade hypertech pp3 hand hled tune. I think it messed my car up?am going to go see tunedbyfrost today and to let him see my pcm