Idleing High, Please help!
#1
Full Member
Thread Starter
Join Date: Dec 2003
Location: Chambersburg
Posts: 60
Likes: 0
Received 0 Likes
on
0 Posts
Idleing High, Please help!
I recently bought a 87 TII. It has a new engine and only had (30) miles on it. Now I have 2000 or so miles. Ever since I bought it It wants to idle high (1500 rpm) once the engine has come up to normal operating temperature. I hace checked the MAS, BAC, Idle air screw, and even adjusted the time back to its original location. It still wants to idle around 1300 rpm. has anyone else experinced this or know what my next step would be to go about resolving this issue!!! Thanks
#5
Full Member
Join Date: Nov 2002
Location: newcastle/england
Posts: 185
Likes: 0
Received 0 Likes
on
0 Posts
tells you how to do it in the fsmhttp://www.teamfc3s.org/main/factory...ual/1986_1988/ 4b page 62
#6
HAILERS
Join Date: May 2001
Location: FORT WORTH, TEXAS,USA
Posts: 20,563
Likes: 0
Received 21 Likes
on
19 Posts
The thermowax has a piston that gradually extends when the water temp rises. On top of that piston is the end of a screw. The screw is attached to a cam. The cam rides on a roll pin. The roll pin is connected to the throttle plate lever.
When cold, the fast idle cam rides on the roll pin and that keeps the throttle plates open a touch more than when the engine is fully heated. As the water gets hotter the piston rises up and eventually moves the cam off the roll pin and closes the throttle plates to their factory setting.
Something like that. SEe the fsm then take the intercooler off and take a look at the real thing.
When cold, the fast idle cam rides on the roll pin and that keeps the throttle plates open a touch more than when the engine is fully heated. As the water gets hotter the piston rises up and eventually moves the cam off the roll pin and closes the throttle plates to their factory setting.
Something like that. SEe the fsm then take the intercooler off and take a look at the real thing.
Thread
Thread Starter
Forum
Replies
Last Post
HalifaxFD
Canadian Forum
126
05-09-16 07:06 PM
RotaryBobby
1st Generation Specific (1979-1985)
1
09-10-15 01:33 PM
The1Sun
1st Generation Specific (1979-1985)
0
09-07-15 10:21 PM