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Old 11-26-2008, 11:42 PM
stormwarnfm
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Default 1991 Ford Ranger Pickup Problems?

We have a 1991 Ford Ranger XLT...2 door, stick shift, 4 cylinder, 2 wheel drive.

The past week, when driving, it stutters like it's out of gas, even after we've filled the tank.

Husband looked at spark plugs, many were in need of replacement, so he replaced them all.

It still stuttered, but not as badly, so he put some Heet in the engine, and still did better.

Today, after he got off from work (25 miles one way), it would NOT start. We ended up flooding it.

Folks, this truck has 247,000 miles on it. We KNOW it's not in the best repair. We know it's starting to lose it's seals, etc.

However, this is a new problem...so, with stuttering and acting out of gas when it has gas in it...any ideas as to what simple things we could rule out before we "dig deeper" behind what is ailing "Cricket"?

Thanks!
I also wanted to add...even though it's a 4 cylinder, it has 2 valves per cylinder, which is 8 spark plugs and wires to replace, like a v-8.

We assume it's the original motor, unmodified, but we had never heard of that either, when we bought it 10 years ago.
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Old 11-26-2008, 11:42 PM
cmrwash
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so you have the 2.3 liter engine with DIS. This means no cap rotor or distributor. first thing to check for is spark. you have two coil packs and you will need to check both. At start up you should have spark from both coils. if you do not have spark then check the fuse in the power ditrubution box next to air filter. check the one labeled eec power relay. If it is good then it is most likely the DIS module, it mounted on the intake manifold. Shop around they cost from $70-$200, same part.

If you have spark, you know you have fuel then check the timing belt. There is a small rubber plug ( 1 inch around) that you need to remove in the timing belt cover. Rotate the engine to top center on the timing marks, and using a mirrior look through the plug hole to see if the marks on the cam line up, If not rotate the crank one turn back to top center and recheck. If they do not line up then you need to replace the belt. shop around belts for the ranger are $7-$30

And recheck and make sure fuel is getting to the injectors, There are two fuel pumps, The transfer pump is in the gas tank, and the high pressure pump is in side the frame channel just in front of the fire wall. The fuel pressure regulator may have failed and created a over rich condition, but I think it would still run.

2.3 DIS engine is a very good and reliable engine, But timing belt only last 70,000 - 100,000 miles. And bad plugs and wires kill the DIS module. Very rarely does the EEC relay go out. A bad O2 sensor will cut power and mileage, but will run.

You can go to the ranger station on the web for more help.

I hope this helps
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Old 11-26-2008, 11:42 PM
Bob d
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when was the spark plug wires , distributor cap and rotor bug changed or fuel filter, air filter. ive 287000 on my 91fordf150
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