Hi all,
Haven't posted much lately cuz very busy with work and the B's been very good till recently.
Had the engine light come on. Car would take about twice as long to start (cranking time). Was quite unsettling, hearing the starter motor working for so long.
Anyway, the engine light was on and the engine would run a little rough, not too noticeable. Was down on power, but noticeably, but at higher RPM's (maybe above 5K) would wake up and you felt the power kicking in.
I have an OBD2 scanner, only showed a P0336 code (and a pending code also P0336).
Replaced the sensor with a brand name aftermarket, still same problem after clearing codes.
Read that these cars are sensitive to voltage, and since my battery was reading 12.5 (in instrument cluster, when you press reset three times), I replaced the battery. Still no change after clearing codes. Problem persisted.
Then I read in the WIS and internet that after changing crankshaft position sensors, that you have to hook up the M-B Star diagnosis Xentry tool and do a "rotor sensor adaptation"
So basically, for a DIY'er, you're stuck going to the dealer no matter what.
They checked the code, replaced the sensor with an OEM (of course they would, lol) and THE PROBLEM PERSISTED.
They ended up telling me that the problem was in the wiring, near the plug.
$1100 later, the problem is fixed.
Do I believe them completely? No. Is it possible that all they did was replace a good aftermarket sensor with an OEM sensor just to make some money and hook up the star diagnosis to fix the car? I probably will never know. It's hard to believe, but they said the problem was the wiring, even though I didn't notice anything unusual. But then again I didn't check too thoroughly.
Anyway, food for thought. In retrospect, I would have replaced the sensor with an OEM so I didn't waste $100 on a sensor. I'd also do a wiggle test and check the wiring better.
Hope this helps someone.
I'm now looking for someone with an Xentry tool that is cheaper than the dealer.
edit: even suspected bad gas originally, cuz problem started right after a fill up. Waited till tank was empty and refilled, but problem persisted.
Haven't posted much lately cuz very busy with work and the B's been very good till recently.
Had the engine light come on. Car would take about twice as long to start (cranking time). Was quite unsettling, hearing the starter motor working for so long.
Anyway, the engine light was on and the engine would run a little rough, not too noticeable. Was down on power, but noticeably, but at higher RPM's (maybe above 5K) would wake up and you felt the power kicking in.
I have an OBD2 scanner, only showed a P0336 code (and a pending code also P0336).
Replaced the sensor with a brand name aftermarket, still same problem after clearing codes.
Read that these cars are sensitive to voltage, and since my battery was reading 12.5 (in instrument cluster, when you press reset three times), I replaced the battery. Still no change after clearing codes. Problem persisted.
Then I read in the WIS and internet that after changing crankshaft position sensors, that you have to hook up the M-B Star diagnosis Xentry tool and do a "rotor sensor adaptation"
So basically, for a DIY'er, you're stuck going to the dealer no matter what.
They checked the code, replaced the sensor with an OEM (of course they would, lol) and THE PROBLEM PERSISTED.
They ended up telling me that the problem was in the wiring, near the plug.
$1100 later, the problem is fixed.
Do I believe them completely? No. Is it possible that all they did was replace a good aftermarket sensor with an OEM sensor just to make some money and hook up the star diagnosis to fix the car? I probably will never know. It's hard to believe, but they said the problem was the wiring, even though I didn't notice anything unusual. But then again I didn't check too thoroughly.
Anyway, food for thought. In retrospect, I would have replaced the sensor with an OEM so I didn't waste $100 on a sensor. I'd also do a wiggle test and check the wiring better.
Hope this helps someone.
I'm now looking for someone with an Xentry tool that is cheaper than the dealer.
edit: even suspected bad gas originally, cuz problem started right after a fill up. Waited till tank was empty and refilled, but problem persisted.
