2010 1.8 Altis Pinging/Knocking Under Load o r Acceleration

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2010 1.8 Altis Pinging/Knocking Under Load o r Acceleration

AOA.
You know I have the Altis AT 1.8 L 2010 and I have this car, which produces clearly a pinging o r knocking noise when I speed it up. When I accelerate it and it speeds up then it does not give the noise at the high revolutions but when more people are in the car, it produces more noise.
I changed the iridium plugs and changed the coils but no difference. Then I decided to change oil 1k kms ago and I switched from Zic 10-40 to Castrol Magnatec 10-40. Extracted and cleaned VVTI solenoid with carb cleaner and also cleaned the MAF sensor, purge valve/canister and cleaned the intake with carb cleaner
and got exhaust checked.
I have done almost all of the things and know what you suggest me to do before accepting that engine can be cased.
I consulted with Google and it said to check the PCV valve too. I got tired now of checking everything and not making a difference. The engine has already run over 220k and this is not an obvious sign of the bad performance of this car.

Sajid Khan asked on 02 Dec 2022 12:50:12 pm

1 Answer

2 views |

Sumaiya Akbar - on 02 Dec 2022 13:09:05 pm

Actually, there can be various reasons for the kind of noise/rattling that you are experiencing. There can be guesswork only till a competent mechanic diagnoses it with the proper tools.