Audi A6 2.5 td error 01126

[darius89]

Hi, help with A6 2001, 2.5 motor.
On scan , got error:
01126 - Engine Speed Signal
16-00 - Signal Outside Specifications
Car starts only with starting fluid with much more smoke as usual. Thied to change crankshaft sensor, but nothing changes.
on live parameters got strange:


Address 01: Engine (4B2 907 401 B)

19:34:46 Group 004: Start of injection - Full load-4000rpm-85*C
812 /min Engine speed 3800-4200 rpm
12.0 ?BTDC Spec. start 10-14 *BTDC
0.0 ?BTDC Actual start 8-16 *BTDC
4.3 % Cold start valve

Where could be problem ?

[tanito]

Hi, check mark the crankshaft. Usually a problem in this.

[darius89]

hi, what you mean "MARK"
Car was ok, but one day stopped start proprtly, and today stop start at all. only with starting fluid.

[tanito]

Check valve timing and camshaft rocker, sorry for my english

[darius89]

Thanks, broblem was in timing belt.
Problem solved