 RPM @ idle, Fluctuates between 950 to 2000 |
 Oct 25, 2011 - 7:25 PM
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Enthusiast  Joined Feb 14, '09 From Mid West Currently Offline Reputation: 7 (100%)  |
Started up fine, then started to fluctuate between 950-2000 in neutral. Drives fine, until idleing @ stops, then goes nuts!!
It revs up & down in like 2 second intervals. Things I will check tomorrow-- Dizzy, plugs & wires. Thinking about spraying the throttle body with carb cleaner. Check vacuum lines. Any help, tips or tricks GREATLY APPRECIATED!! Thanks!!!! |
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Oct 26, 2011 - 11:11 AM
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Enthusiast Joined Feb 14, '09 From Mid West Currently Offline Reputation: 7 (100%) |
Found it!!!
Busted PCV!!! The nipple of the valve is in the hose, the valve itself is broke flush with the valve cover!! How do I get it out?? |
Posts in this topic
Bigblock RPM @ idle Oct 25, 2011 - 7:25 PM
stephen_lee big vac leak will make it do that. Oct 25, 2011 - 7:59 PM Bigblock stephen_lee --
Thank You!! Oct 25, 2011 - 8:32 PM stephen_lee You find the cause? Oct 26, 2011 - 7:56 AM Bigblock stephen_lee--
I will post-up what I find out. I h... Oct 26, 2011 - 10:28 AM Bigblock Got it! A lil friendly persuasion with pliers... Oct 26, 2011 - 12:03 PM SwissFerdi Maybe reset your ECU? Oct 26, 2011 - 1:07 PM Bigblock How do I reset ECU?
Disconnect the battery for a f... Oct 26, 2011 - 1:27 PM Keiri Pull the ECU fuse for a minute then plug it back i... Oct 26, 2011 - 1:48 PM Bigblock Found 2 vac hoses needing replaced--
Just behind t... Oct 26, 2011 - 3:48 PM stephen_lee i would replace all the hoses if a few are in bad ... Oct 26, 2011 - 3:51 PM Bigblock Going to do it in the morning. Drive it there so t... Oct 26, 2011 - 6:01 PM Bigblock Replaced all vac lines.
Start up idle is 1800, war... Oct 27, 2011 - 3:03 PM
xrav22 QUOTE (Bigblock @ Oct 27, 2011 - 3:0... Oct 27, 2011 - 9:13 PM Bigblock Throttle cable is good.
There is an audible ... Oct 31, 2011 - 1:22 PM stephen_lee vac lines that run on the rear of the 7A are:
ac... Oct 31, 2011 - 1:51 PM Bigblock Thanks for the info stephen_lee!!
I'm... Oct 31, 2011 - 3:16 PM Bigblock K, so I found out--
Disabling ( pinch closed ) the... Nov 1, 2011 - 4:49 PM stephen_lee that valve is a "normally closed" type v... Nov 1, 2011 - 6:58 PM |
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