[jotto]

I can't seem to get my ranger to go more than 30 mph in high range. All I can get is 4100 rpms out of it. If I put it in low range I can get 6300 rpms but as soon as I put it in high range it won't go. Any thoughts?

 

[rowe doo]

New belt time.

 

[jotto]

I took the cover off and the belt looks good. Could it still be bad? Also when I get to about 30 it like the rev limited hits and cuts the motor out. Can the belt do that?

 

[rowe doo]

How old is your old belt?

 

[jotto]

I have 850 miles on it it has never been replaced. I pulled it off and can't see anything on it that looks bad.

 

[rowe doo]

The belt streche's and gets skinner .

 

[jotto]

Why would I get good rpms in low range?

 

[POS POLARIS]

This is a wierd problem indeed.

Normally I'd say something like this where you have limited top speed in high range but good speed in low I'd say is a bad fuel pump and low power. But, you're saying the rev limiter is cutting it out?

If that's true, than that throws out anything to do with clutching, belt, or fuel. I'd be looking at the Crank position sensor on the right hand rear side of the engine. look at those wires closely where they go up and into the main harness. I've seen it happen many times where a wire that's slightly shorted out will cause the computer to be confused and make the engine cut out at wierd times...

I've also seen the bushing come out of the primary clutch and "stick" the clutch in such a way that it would be incapable of turning over a certain amount of rpms. The drive belt is along for the ride. It's either working or it's not.


Need to verify for sure if it's the rev limiter cutting it out in high range, or if it's a misfire maybe? A misfire could defiantly be fuel pressure related.

 

[carnivore]

I would have guessed a clutching issue, but the rev limiter is odd if you are hitting it.

 

[rowe doo]

It will hit rev limiter if belt slips

 

[POS POLARIS]

It will hit rev limiter if belt slips

How would the belt slip? Even if it could, it wouldn't hit the rev limiter at 4500 rpm

 

[rowe doo]

Or broke clutch spring.

 

[POS POLARIS]

???????? How will it hit the rev limiter at 4500 rpm?????????

 

[rowe doo]

???????? How will it hit the rev limiter at 4500 rpm?????????

That is a valid point that kind of indicates electrical.

 

[carnivore]

But he's saying it will only hot 4100 rpm?

 

[POS POLARIS]

Curt-

Was their an ECU on the 08s? or was everything run through the ecm?


I'm just wondering if he's mistaking hitting the rev limiter for a engine stumble or consistant misfire at 4100 rpm when he's cruzing down the road in high range.?