Tech, Repairs, Upgrades > Capri N/A 89-94

Hot Start issues.

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Kiwimagic:
The problem still exists. Even with the key. Where is this vacuum solenoid located on the car. Is it on the firewall ??

Kiwimagic:
BUT.......
The Capri is a 1989 to 1990 SOHC (SA)not a DOHC. DOHC SAii engines came in 1991
There are no solenoids on the fire wall. The vacuum hose that comes from the fuel pressure regulator plugs directly into the inlet manifold along with all the other vacuum hoses.
I blocked off that with vice grips and still sluggish start when hot.
Could it be old spark plugs.

Kiwimagic:
AH!!!!!!
Just pulled off the hose between the IAC inlet and the pipe that is between the inlet manifold and the air box.
Some one had blocked it off and then replaced the hose onto the IAC so nothing was getting through.
Starts first time now but idles at 2000 Rpm.
Slows down when I kink the replacement hose.
So looks like the problem is the IAC not working properly.
I have a couple of spares, will swap it over and see what difference it makes.

Kiwimagic:
no water was getting through the IAC . got it all cleaned out and water flowing through the IAC. When its cold I can blow air through the large outlets. When heated with a heat gun it blocks off. So all good will put it back on the car.
Now I think that the inlet or outlet water hose to the IAC are blocked also. Car runs but still idles at around 2000rpm.
I have screwed the adjuster which is on the top of the throttle body in as far as it will go. Now idles at 1100 rpm. Will let it cool down and see what happens.

greywolf27030:
It probably won't idle good cold. That blocked water passage is a problem. I've had two like that and no luck getting them cleared although I've heard of some people having luck with it. In both of my cases, the hole in the block was also stopped up and had to be drilled out to get flow from there.

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