MK5 Golf GTI

All Things Mk5 => Mk5 General Area => Topic started by: biffobear on January 27, 2014, 08:31:07 pm

Title: down on power
Post by: biffobear on January 27, 2014, 08:31:07 pm

anyone come across this problem, it may be a coincidence, but since fitting an induction kit the car is down on power. after a scan I fitted a dv (old one was fine), scanned again same faults, so fitted n75 valve, scanned again same faults. is it possible the maf is faulty although I was careful removing and refitting it, logged boost, and actual was lower than requested. cheers

000665 - Boost Pressure Regulation
               P0299 - 002 - Control Range Not Reached
             Freeze Frame:
                    Fault Status: 01100010
                    Fault Priority: 0
                    Fault Frequency: 1
                    Reset counter: 255
                    Mileage: 82673 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 04:55:45

             Freeze Frame:
                    RPM: 3427 /min
                    Load: 63.5 %
                    Speed: 92.0 km/h
                    Temperature: 72.0°C
                    Temperature: 9.0°C
                    Absolute Pres.: 990.0 mbar
                    Voltage: 14.478 V

000313 - Oxygen (Lambda) Sensor B1 S2
               P0139 - 004 - Response too Slow - Intermittent
             Freeze Frame:
                    Fault Status: 00100100
                    Fault Priority: 0
                    Fault Frequency: 3
                    Reset counter: 255
                    Mileage: 82675 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 04:56:57

             Freeze Frame:
                    RPM: 1423 /min
                    Load: 13.3 %
                    Speed: 58.0 km/h
                    Temperature: 69.0°C
                    Temperature: 6.0°C
                    Absolute Pres.: 970.0 mbar
                    Voltage: 14.478 V

004372 - Oxygen (Lambda) Sensor; B1 S2
               P1114 - 008 - Internal Resistance too High - Intermittent
             Freeze Frame:
                    Fault Status: 00101000
                    Fault Priority: 0
                    Fault Frequency: 3
                    Reset counter: 255
                    Mileage: 82675 km
                    Time Indication: 0
                    Date: 2000.00.00
                    Time: 04:56:57

             Freeze Frame:
                    RPM: 1423 /min
                    Load: 13.7 %
                    Speed: 58.0 km/h
                    Temperature: 69.0°C
                    Temperature: 6.0°C
                    Absolute Pres.: 970.0 mbar
                    Voltage: 14.478 V


Readiness: 0000 0000
 

Title: Re: down on power
Post by: bacillus on January 27, 2014, 08:52:33 pm

Not trying to be funny but did you clear the fault codes before rescanning after a short drive?
The old fault codes will remain otherwise when you rescan.

Title: Re: down on power
Post by: biffobear on January 28, 2014, 04:34:36 am

Yes every time

Title: Re: down on power
Post by: 56OctyVRS on January 28, 2014, 07:26:50 am

I would refit the oe intake and see if the fault is still there. Also when fitting the maf, is the little rubber seal fitted that voes betewwn the maf and the intake pipe?
I was not impressed with the intake kits for the tfsi so I ran the oe intake with paper filter at stage 2+ and the car ran fine with no issues.

Title: Re: down on power
Post by: biffobear on January 28, 2014, 02:07:28 pm

I tried it with the original airbox, and checked the maf seal,but still the same. Cheers

Title: Re: down on power
Post by: xjay1337 on January 28, 2014, 04:15:24 pm

p0299 is underboost code check for boost leaks (most likely if you've messed around with intake) or dv again..

Title: Re: down on power
Post by: biffobear on January 28, 2014, 04:28:53 pm

I have boost hoses on order, and will do leak test on hoses asap, cheers

Title: Re: down on power
Post by: biffobear on February 15, 2014, 09:13:59 pm

Well have fitted new intercooler hoses, smoke leak test, everything seems ok, what I did notice is wastegate actuator is hard to move, can anyone confirm if you should be able to move thisback and forward simply using a finger and thumb, cheers

Title: Re: down on power
Post by: biffobear on February 16, 2014, 09:48:55 am

Anyone?

Title: Re: down on power
Post by: biffobear on February 16, 2014, 07:59:29 pm

Anyone?

Title: Re: down on power
Post by: 56OctyVRS on February 16, 2014, 09:22:26 pm

That to me seems normal. The actuator will be stiff as it has to keep the wastegate shut under pressure. If it wasn't working and not working; the turbo would over spool and you would be up on power and would eventually go bang.

Title: Re: down on power
Post by: biffobear on February 16, 2014, 09:38:21 pm

Could it be collapsed cat or exhaust baffle?

Title: Re: down on power
Post by: biffobear on March 22, 2014, 04:50:48 pm

Finally found out what was causing lack of power, I thought it was a blocked cat or exhaust, so after fitting new exhaust system today I took it for a run, jeez its like driving another car, goes like a rocket :laugh:

Title: Re: down on power
Post by: bacillus on March 22, 2014, 09:14:46 pm

Quote from: biffobear on March 22, 2014, 04:50:48 pm

Finally found out what was causing lack of power, I thought it was a blocked cat or exhaust, so after fitting new exhaust system today I took it for a run, jeez its like driving another car, goes like a rocket :laugh:

Did you originally have a stock exhaust system?

Title: Re: down on power
Post by: biffobear on March 22, 2014, 09:16:49 pm

Yes, stock system