I A C valve nightmare on 89 vette !!!
my c4 vette idles fine when started cold . as it gets warmer it becomes hard
to keep it running , until it just stalls . it has all the symptoms of a faulty iac valve. i must continue to apply more and more throttle to prevent stalling. also there is backfire when i back off throttle . no code is set . any opinion will be appreciated . i have replaced tps, oxygen senser, map senser, checked for vacumn leaks-non found. egr working properly. what is it ??? please anyone , help ... thanks -- posted from http://www.motorsforum.com/corvette/...tte-19469-.htm using MotorsForum's Web, RSS and Social Media Interface to alt.autos.corvette and other automotive groups |
I A C valve nightmare on 89 vette !!!
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"HANK" > wrote in message roups.com... > my c4 vette idles fine when started cold . as it gets warmer it becomes > hard > to keep it > running , until it just stalls . it has all the symptoms of a faulty iac > valve. i > must continue > to apply more and more throttle to prevent stalling. also there is > backfire > when i > back off throttle . no code is set . any opinion will be appreciated . i > have replaced tps, oxygen senser, map > senser, checked > for vacumn leaks-non found. egr working properly. > what is it ??? > please anyone , help ... > thanks > > -- > posted from > http://www.motorsforum.com/corvette/...tte-19469-.htm > using MotorsForum's Web, RSS and Social Media Interface to > alt.autos.corvette and other automotive groups > > |
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