[s-cars] Stumbling along under load

[Dave Forgie]

Bob:  I don't know if I have the answers but my comments are in CAPs:

Bob Frizzell wrote:

> S-men,
>
> I've been messing around, done and noted the following, now unsure of the
> root of the problem:
> Took all blink codes currently in memory and got (in order)
> 2113 probably CPS FROM THE BENTLEY, UNDER THE DIAGNOTIC TROUBLE CODES (DTC)
> TABLES, J01-21, VAG 1551 CODE 00515 OR BLINK CODE 2113 IS THE CAMSHAFT
> POSITION SENSOR (CPS).  THE CPS DOESN'T FAIL COMPLETELY RIGHT AWAY.  THEY
> LIKE TO FAIL SLOWLY ESPECIALLY ON HOT RESTART.  EITHER THAT OR NOT PERMITTING
> COMPLETE BOOST (IN MY EXPERIENCE OVER 4000 RPM).

> 4411, 4412,4413,4414,4421 the five injectors I WOULDN'T WORRY ABOUT THESE
> CODES  RIGHT NOW, I SUSPECT ITS FALLOUT FROM THE ENGINE NOT WANTING TO RUN
> CORRECTLY BECAUSE OF THE CPS.
> 1111 ECU problem  DITTO
>
> I put Stabilant on all connectors and checked all ground wires. DID YOU GET
> TO THE CPS CONNECTOR?  IF NOT, TRY AGAIN.
>
> Car is running better (about as good as a Toyota Corolla), pulling
> relatively smoothly but is lacking power.  Boost levels seem to max out at
> 1.3 bar whereas before I would get 2.1+.  HAVE YOU CHECKED THE SMALL BOSE
> HOSE ON THE MOISTURE TRAP (BLACK FILM CAN SIZED "FILTER") UNDERNEATH THE
> BLACK POWER STAGE OUTPUT COVER?
> Car sometimes hesitates on start up and when blipping the throttle from
> idle. THE HESITATION ON START UP IS A PRETTY CLEAR INDICATION OF THE CPS
> HAVING PROBLEMS
>
> BTW I notice my ECU has been tampered with (carpet has been cut). I THINK
> THEY ALL CAME WITH THE CARPET PARTIALLY CUT. MINE WAS.  TO ACCESS THE ECU, I
> STILL HAD TO CUT QUITE A BIT OF CARPET.  EVEN IF YOUR CARPET IS CUT, I
> WOULDN'T WORRY ABOUT "TAMPERING".  I DROVE YOUR CAR IN MAY AND IT WAS
> "NORMAL".  Didn't
> notice before because I always thought it was on the right side of the foot
> well and the boost levels seemed stock equivalent (and been avoiding the
> slippery slope).  2.1 BAR IS NORMAL FOR THE SHORT OVERBOOST (20 SEC MAX OR
> SO), OTHERWISE LESS (1.9 OR 2.0 IS "NORMAL") FOR STOCK.
>
> A couple of questions:
> 1. Do the blink codes show the most recent problem first? I THINK THE 2113
> CPS CODE IS THE MOST RELEVANT
> 2.  I plan on pulling the fuse, S26 on top of the ECU to clear the fault
> codes.  Any thing I should know about this?  SJM site indicates this will
> clear learned fuel mixture and ignition timing.  Is this a problem?  THE ECU
> WILL REVERT TO THE DEFAULT CODES AND THEN START RELEARNING. NOT A PROBLEM.
> TEACH IT WELL. (DON'T DRIVE LIKE AN OLD LADY)
> 3.Comments, suggestions. SEE ABOVE.
>
> Always appreciative,
> Bob  YOU'RE WELCOME/DAVE F.