MK5 Golf GTI

All Things Mk5 => Modifications & Technical Area => Technical Workshop => Topic started by: Rob. on September 29, 2014, 06:15:32 am

Title: Fitted new downpipe...flat battery, and now a sensor fault
Post by: Rob. on September 29, 2014, 06:15:32 am
I managed to get my new downpipe fitted a couple of weekends ago, but struggled to get the post-cat lambda sensor off of the old exhaust.

When I finally removed and re-installed that, I tried to start the car on Saturday and it was dead. I ran VCDS, which gave a load of low voltage warnings (and checked the batt with a multimeter) so left it to charge for a few hours, then she started fine.

However, I've now got a couple of faults that won't clear: "engine oil temp sensor - implausible signal" and "sensor for engine oil level/temperature - opens or short to plus". The dash also warns about it when starting up.

I don't recall doing anything to these during the work (only the O2 and MAF were unplugged), so is it possible the low voltage has somehow killed it?

Thanks.

Title: Re: Fitted new downpipe...flat battery, and now a sensor fault
Post by: Rob. on October 03, 2014, 07:52:09 am
No one?  :scared:
Title: Re: Fitted new downpipe...flat battery, and now a sensor fault
Post by: dazza on October 03, 2014, 07:56:18 am
Sometimes i find some errors won't clear when you use clear all errors. And i have to go into that block to clear the error.
Title: Re: Fitted new downpipe...flat battery, and now a sensor fault
Post by: DDM on October 11, 2014, 08:13:52 pm
they just might of been there before you fitted the new down pipe? when was the last time you ran a test before then,
Title: Re: Fitted new downpipe...flat battery, and now a sensor fault
Post by: Rob. on October 12, 2014, 06:13:58 pm
Definitely wasn't, as it's actually saying "oil sensor garage" on the dash when I start her up...wasn't doing that before the flat battery!
Title: Re: Fitted new downpipe...flat battery, and now a sensor fault
Post by: Rob. on November 15, 2014, 02:21:56 pm
Yeh, so basically I must have unplugged the oil sensor plug and forgotten to put it back in  :sad1:

Awkward.
Title: Re: Fitted new downpipe...flat battery, and now a sensor fault
Post by: edd30 on November 18, 2014, 11:10:55 am
All sorted now ? Was it just the oil level sensor ?
Think the low voltage problem is unrelated to what you did.