ae92 hirap maka 4k RPM

[nejikun]

Guys, tanong ko lang, bakit kaya hirap maka 4KRPM up auto ko? pag sa hiway kasi 3krpm 100kph parang di na kayang umakyat 4krpm eh, stock 4af engine ae92 ano kayang pwede kong ipatingin sa mechanic? thanks sa mga mag rereply!.

[istan]

Pag naka neutral ka, try revving to 5k rpm. Mabilis ba mag rev or hirap pa rin? Possible at 5th gear, di kaya ng engine ang load, kaya di sya makarev.

[nejikun]

pag nag rev ako during neutral mabilis naman, kaya lang 3k lang parang galit na galit na yung engine eh.. pag na tuneup ba to ng maayos possibleng umakyat pa rpm?

[jick.cejoco]

pag nag rev ako during neutral mabilis naman, kaya lang 3k lang parang galit na galit na yung engine eh.. pag na tuneup ba to ng maayos possibleng umakyat pa rpm?

nejikun,
have your engine exhaust backpressure checked. most shops don't have this backpressure tester, what you can use instead is the simple engine vacuum tester. the tester comes with instructions and hints as to how to properly interpret your readings. have your ignition checked for output and secondary high voltage leaks. at night when it is dark. open the engine bonnet and run the engine, if there were high voltage leaks, it will show as if the coil, distributor and/or the spark plug wires would glow, this is called corona effect. check your intake too for restrictions, dirty air filter perhaps. check fuel pressure and volume. all your symptoms are from the need for a tuneup, fuel, ignition, air induction and exhaust needs to be checked
jick