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rpm not stable

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kasun
Posts: 3
Joined: Tue Mar 29, 2016

rpm not stable

Postby kasun » Tue Mar 29, 2016 5:41 pm

i recently bought a used honda airwave 2007. it has a problem with the rpm. sometimes when accelerating rpm holds on 2000 for few seconds and suddenly release and rpm reach to 3000 car jerks and comes back to normal and again. sometimes gears will not shift till rpm reaches to 3000-3500 and even worse sometimes 'D' start blinking and losses power. and at the speed approximately 50-70 rpm is not stable. it goes up and down continuously. but at the highway all seems ok.

to resolve this i have done following things,
replaced gearbox
cleaned fuel pump
replaced spark plugs
cleaned EGR valve and throttle body including TPS
checked cam and crank sensors
checked oxygen sensor

unfortunately none of above helped.

SauRieng
Posts: 4
Joined: Tue Oct 13, 2015

Re: rpm not stable

Postby SauRieng » Tue Mar 29, 2016 8:47 pm

have you checked the IAC or some called Air control Valve?


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kasun
Posts: 3
Joined: Tue Mar 29, 2016

Re: rpm not stable

Postby kasun » Tue Mar 29, 2016 9:31 pm

yes i have checked the throttle body replacing new one.

shah.shazlynn
2000rpm
2000rpm
Posts: 23
Joined: Sun Feb 15, 2015

Re: rpm not stable

Postby shah.shazlynn » Wed Mar 30, 2016 4:36 pm

Since u had replace gb, guess must be ur ecu problem....u may want to try change to another ecu or get aftermarket n tune...

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kasun
Posts: 3
Joined: Tue Mar 29, 2016

Re: rpm not stable

Postby kasun » Wed Mar 30, 2016 9:52 pm

so far that is my only doubt. will have to check that. thanks

Pekerpanther
Posts: 1
Joined: Tue Aug 23, 2016

Re: rpm not stable

Postby Pekerpanther » Tue Aug 23, 2016 12:21 pm

U can try changing the block.


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