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rpm dipping and idle bouncing

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Old 02-26-2015, 08:14 AM
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Default rpm dipping and idle bouncing

just replaced the thermostat (stuck open) and did the water pump (leaking) have cleaned bothe the iacv and throttle body

my idle will drop down and bounce back up seems like the car is almost dying when it dips. it doesn't start automatically usually after a little bit of driving

my heat gauge isn't working so I can't really tell if it's over heating no smoke coming from anywhere tho

any ideas helpful
Old 02-26-2015, 12:51 PM
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Default Re: rpm dipping and idle bouncing

Air in the system? I believe those symptoms can be caused by that. Did you properly bleed it after?
Old 02-26-2015, 09:59 PM
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Default Re: rpm dipping and idle bouncing

I'm pretty sure no air in the system because I ran with the cap off and no bubbles.
my top radiator hose expands. I am getting a new hose tomorrow to replace

I've heard it could be map sensor issues?
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