Poor engine performance under load

[cramp]

do u know the compression per cylinder? baka off ka lang sa timing

I can't recall the exact numbers eh, pero If memory serves me correctly it's around 160+ more or less on cylinder 3. 1,2 and 4 were the same around 190.

ndi ako makakapag recomend sayo kase maraming magagaling talaga. pero eto yung procedure na kadalasan ginagawa namin jan.
basic mechanical condition vs. manufacturers specification. data scanning, code reading and sensor or circuit integrity test. tapos yung gas analysis ( emission output.) yan yung basic data na kinukuha namin bago kami mag start ng tuning. sa mga shop na may engine analyzer alam po nila yan sir. sa usok pa lang nalalaman na kung ano ang posible na problema nyan.

Eto po ba yung major tune up?