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Old 07-01-2010, 03:28 PM   #1
JesseCard
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Default 95 ranger 2.3L loss of power up hills

Hey everyone, I have a quick question about my 95 ranger. Lately I have noticed i have lost a significant amount of power while going up steep uphill freeways. I used to be able to cruise in 4th gear up the hill but now I have to down shift to 3rd to make it up the hill. Once i get off the freeway I give the truck gas and it will barley go, then seconds later the truck will backfire and will gain some of the power back. I was thinking it was the catalyic converter but i want to know your guys opinions.

Also, I started noticed the power loss after I put a lift kit on my truck and put all terrain tires and heavier rims. Does that have anything to do with it?

Thanks.
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Old 07-01-2010, 04:02 PM   #2
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Check your plugs, wires, air filter..... basic tune up stuff 1st.
Then check your cat out. Is the floorboard getting hot during this time ?
Rotten egg smell, gas smell or anything like that ?
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Old 07-03-2010, 03:42 AM   #3
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I just changed the plug and plug wires. It has a k & n air intake. I don't smell anything when its loosing power up hills. It only smells riich when the truck is idiling. Could it be the cat? I've never checked it since I bought the truck 3 years ago...
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Old 07-04-2010, 01:45 AM   #4
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Did you gap your plugs or use them straight out of the box ?
Have you had a scanner hooked up to it yet ?
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Old 07-04-2010, 03:24 AM   #5
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No I bought the wires and new plugs from auto zone. I took the manifold off and replaced all 8 of the plugs and wires. I didn't notice a difference in power. I started to notice the power loss when my big tires and rims were installed. The check engine light isn't on so what kind of scanner are you talking about?
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Old 07-04-2010, 08:19 AM   #6
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The big tires and wheels add a ton of rotational weight and a 4 popper will work proportionately harder on the hills because of that little upgrade. The best thing you can do now is to regear to lower ratios in order to regain the torque you lost at the wheels.
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Old 07-04-2010, 12:54 PM   #7
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So you did or did not gap the plugs before installing them ?
I was talking about an ODBII scan tool to see if any codes were present.
Some will not produce a check engine light and in some cases the check engine light could be burnt out etc etc etc...

red85 is correct to btw... larger tire = more torque required to move them.
There is your significant loss of power I would assume.

Last edited by Duane867; 07-05-2010 at 01:56 AM.
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Old 07-04-2010, 05:45 PM   #8
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Quote:
Originally Posted by Duane867 View Post
So
red85 is correct too .
Thank you! Now repeat this mantra to my wife!
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Old 07-05-2010, 01:35 AM   #9
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you need a timing belt urs has to much slack mine was doing the same thing when i got it if u dont belive me move ur timing forward and it will have power
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Old 07-05-2010, 02:04 AM   #10
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Unlike your 85'...A 95' is distributorless. Uses dual coil packs and 8 plugs. 4 on the intake side and 4 on the exhaust side. As well the Timing belt has an automatic tensioner. As it stretches is self adjusts to remove slack. If the tensioner fails or loosens and lets the belt slack then you have problems that are resolved by a new tensioner and belt or simply by re adjusting the tensioner.
There is no physical way to advance or retard the timing on a 95 2.3L

So in short .. no I don't believe you :-P




Original poster.....
If you did not gap your plugs before installing them then this is may be PART of your problem. You cant just stick them in their out of the box. You have to set the gap before installing. The gap sets optimal spark intensity. If you leave them as is out of the box then you are installing plugs that are with out doubt .025 - .035 ( thousandths of an inch ) to large in the gap and making it run rich as heck and creating a major power loss.
The other half of your problem is the larger tire and rim set up as Phil stated.
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