[tdi-man]

hi i have a 140 bhp bkd a3 2.0 tdi which has done 190000 miles and is down on power is only pushing 125 bhp should be 145bhp.

turbos been replaced

is it possible i have cam lobe wear ?
low compression ?


starts first time every time with no probelms.

no fault codes showing in vag com.

 

[chittychittybangbang]

How do you know how much power you are making right now?

Low compression or low boost or a mechanical problem like lobe wear are all possible. However, very low compression could cause hard starting. Take a look at the camshaft wear article and watch the videos, does your car sound like that? http://www.myturbodiesel.com/1000q/multi/camshaft-inspection-replace-vw-tdi.htm

 

[Seatman]

Welcometomyturbodies

Has the intake manifold ever been cleaned, I know it's common on the non pd engines but I think it's also an issue on the pd engines and worth checking out. Also new air filter asnd fuel filter might be worth a shot and maybe injectors are worn too.

 

[tdi-man]

down om power

hi

it's pushing 125bhp and i have already changed the injectors with second hand ones. fuel filter , inlet manifold, egr, thottle flap all replaced and cleaned.

it's a bkd engine has any body had cam where with these

 

[Audi5000TDI]

hi

it's pushing 125bhp and i have already changed the injectors with second hand ones. fuel filter , inlet manifold, egr, thottle flap all replaced and cleaned.

it's a bkd engine has any body had cam where with these

All PD based engines can experience cam wear. It's a crappy VW design.

 

[tdi-man]

cams

ok many thanks ive got some cams will get mine checked next month and see what happens

 

[ibdpic]

How do you know you lost 20 HP??

 

[Keithuk]

Welcome to the forum. welcometomyturbodies

hi i have a 140 bhp bkd a3 2.0 tdi which has done 190000 miles and is down on power is only pushing 125 bhp should be 145bhp.

How do you know how much power you are making right now?

it's pushing 125bhp

You've been asked how do you know?

How do you know have you had it chassis dynoed?

 

[tdi-man]

hi yes mrc had it for 2 days only pushing 125 so trd have got it on friday to check compression . timing . cam lobes . fueling . etc etc.... starts first turn the key ever time and drives fine....

 

[tdi-man]

power

all fixed rear cam timing was out and injector timing