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I have a 2012 Cl63 Amg 59k miles bought at auction with flood damage title and injectors on passenger side not actuating in Xentry test with a new ECU. New plugs wires and coils and 02 sensor. Still no actuating of those injectors slow acceleration. I cannot locate area of water or flood intrusion. Really at a loss. I'm getting misfire crankshaft errors p something. Any ideas? Someone removed the injector soundproofing or padding insulation and high pressure fuel pump insulation. The Sam's have been checked and replaced the fuel pump relay just in case. Any help would be aporeciated
Two options:
-Failed camshaft position sensors on both Bank 1 (passenger side) and Bank 2 (driver's side).
-Failed mechanical camshaft adjusters. Multiple posts on the early engines suffering from failures as the adjusters' metal "enlarged" or "wallowed out" as the pins and sockets engaged and the tolerances exceeded factory requirements.
I'm not an expert on the M156 engine; just read a lot on this forum.
2004 CL500; 2010 S 63 AMG; 2001 CLK430 Convertible Designo,; 2012 CL63 AMG Black on Black Designo
@bbirdwell thanks. Problem is I do not know where was the water damage. It was listed as run and drive but was limping. Without that info I left to check everywhere. I'm thinking of calling the last dealer and ask the service manager to call the prior owner to ask for how it was damaged. The last service was at a dealership where the owner requested replacement of ECU which I interpret as they did not diagnose. I can't believe they replaced ECU and gave car back on 4 cylinders wo any notes
2004 CL500; 2010 S 63 AMG; 2001 CLK430 Convertible Designo,; 2012 CL63 AMG Black on Black Designo
@bbirdwell Yes, diagnosed at local shop as need to replace camshafts and adjusters as needed (right bank are off) with new chain tensioner. Given informal estimate of 8-10k, An other shop I trust more said that was high and $6k was more reasonable. I think the water damage has no bearing on the problem plus I cannot find it.
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