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Did you already proceed with the ECM repair? If not, you may want to get a second opinion......
I took the car to Advanced Auto. He used the OBD II and the code was P1135. I was told that I needed to replace the MAF Sensor. I did that and the lights are still on and the OBD II came back with the same code. Any ideas?
Leaking injector maybe.
The Lexus maintenance people at the dealership I purchased this car from acknowledged that they too hear the noise but claim it is either piston slap or fuel injectors, both of which are normal for the car and are not harmful.
Does anyone have any insights on this situation?
Are you using full synthetic oil? If not, switch to that and let us know if that cures the problem. You might need just a bit quicker oil pressure in the upper cylinder and valve area.
I've only had one car with piston slap, and it was MUCH louder than this clicking, and only audible at idle--once off idle, the noise vanished. However, my clicking noise continues at any rpm until the engine warms up.
I've chosen to not worry about it.
MY PROBLEM when floor boarded whether in P or N, or on the road attempting to jack rabbit onto a freeway, or use passing gear going uphill at 65 the engine cuts out. I lighten up on the gas pedal & it is again as new. But it is dangerous, I had to slam on the brakes & get behind a big rig I was passing when sudden oncoming traffic appeared. I kicked it into passing (floored it) it cut out & I braked hard to get behind the big rig. Again, from a stop sign I saw a line of a bunch of cars coming & stepped on it hard in plenty of time (normally) to get into traffic & accelerate to speed, again it cut out. So, I tried it in Neutral & sure enough, floor it it cuts out.
No code with 2 different orbit II readers, none. Mechanic thought perhaps an RPM block but no way, it is too dangerous. I can think of 3 & with stretch 4 possibilities??? Getting too much fuel when floored, not enough fuel when floored, tiny possibility of fuel filter, & most likely - but no code - some sensor. I would VERY much like a suggestion as this is one sweet ride except when needing quick speed. I am 65 & not a hot rodder, but all drivers on occasion need rapid acceleration. This is my first time to the forum & am not sure I will see answer unless emailed directly doberdawg@comcast.net thanxxxxxxx