Vitz 2001 (1 lac plus driven) strange engine sound in morning
Assalam o alaikum everyone,
I own a 2001 Vitz. Every morning when I start the engine, its starts and idle smoothly Masha Allah. The problem begins when I put the gear knob in "Drive" and put a little pressure on accelerator pedal. I hear strange sounds from engine (not squeaking, but "phata huwa") until either I put away my foot on pedal or put some more pressure on pedal. I mean it feels like engine is not revving or accelerating smoothly for first two to three minutes. Everything is normal again when blue light (temperature gauge) goes out.
Looking forward to get expert opinion from you people soon.
**EDIT: Vehicle has never been used on CNG. Full time petrol
car takes time to circulate oil in engine usually all cars sound wierd in cold until engine obtain optimal temperature
Asad, Sound comes every time nor. I mean, when car starts marching and I use Halka sa accelarator pedal, I experience that sound. However the sound good out when I press accelarator a bit more.... one more thing, I think RPM is also decreasjng after 10 to 15 days of computerised tuning.