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Old 04-08-2004, 20:18   #1 (permalink)
Moo.
 
Join Date: Apr 2004
Location: /x\
Age: 34
Posts: 3
1985 Tempo 2.3L, terrible starting.

I am working on a friends Temp, 1985 2.3L i4 - not the high-output version. It is the model with the throttle-body injection; the haynes manual suggests there is like a half-dozen varieties of injection variants.. well onthe the issue.

The engine will crank when you turn the key, however, to get it to fire you need to hold in the gas pedal and keep it reved pretty high for a couple of minutes. (I wish it had a tac!) Once the engine starts to get to operating tempature, the car will idle on it's own and drive decently. The engine seemed abit rough to me, so we did a full tune up (Plugs, wires, disty rotor-disty cap, throttle-body cleaner, pcv valve, everything).

My friend has another 85 tempo too, which mechanically is sound but the suspension is terrible. On that car, the distributor appears to be rotated 10-15 degrees clock-wise past what the one I am working on is. Is there a way to manually adjust the timing on this engine? I can't find a way to adjust the distributor.

So.. am I looking at a simple possible timing issue? Vacuum? EGR.. or one of the three fuel-related service recalls (which I will take it to Ford to have 'em do it).

Any advice would be greatly appreciated. :)

Thank you,

~patrick
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Old 04-09-2004, 14:14   #2 (permalink)
Moo.
 
Join Date: Apr 2004
Location: /x\
Age: 34
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Re: 1985 Tempo 2.3L, terrible starting.

Well, we worked on the car some more today, here is the current situation.

If the vacuum is sealed up tight, we still get this issue.. requires WOT to started and half pedal pressure to keep it running for the first minute or two, then it will idle on it's own. If we don't keep it held down, it will quickly stubmle *like it is at 300 rpm* then just violently die.

However, the PCV valve we have from autozone is a universal one that has two plugs on it for the hoses, you are supposed to cap on one hole and the hole with the vacuum line. Odly enough, if we keep one of the caps off, creating a loud vacuum leak, the car WILL start rather easly. Most of the time it will even idle on its own, with a little roughness. If we plug the vacuum leak we created, the engine will just die. Wtf? I can tell the car is idling much higher with the unmetered air going in, and engine operation is fairly smooth actually. I tried a little carb cleaner in the Throttle body, and it just instantly died. Stupid backwards logic car. Carbcleaner should make you happy and rev!

So now that I have the car doing two things that seem to be against my logic of cars operation..

Any ideas? I'm fairly certain it is 'something' vacuum related, however, we replaced very vacuum line today. Thier is no way to adjust the idle speed with a screw either like normal Fuel injection.. but this is TBI, not normal FI.

oi.

~Patrick
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