Question about 1993 Jeep Wrangler

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My jeep will rotate but not start i've replaced the distributor cap and rotor, and gas filter and it still does that i think its the cam or gas sensor what do you think???????????????????????

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  • Anonymous Aug 08, 2008

    1996 jeep cherokee sport 4.0L GETING GAS,GETING FUEL!.will notstart.

  • orangeduster Aug 08, 2008

    1996 jeep cherokee 4.0 liter engine geting fuel,fire will not start!

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Hey Snake how are you, its hard to remedy your ailment considering i dont have any knowledge of what your Vehicle is. aside from the obvious Jeep comment.

So ill Use my jeep as a reference. I have a 95 4cylinder Wrangler, nothing much more to say about her aside from her resiliance.. and I lub her.

So here goes....

The fact that your car is cranking and not starting is a good yet bad thing. Ya got power, or your out of Synch.

1. So yes, your starting Ideas are on the money... Try checking , cleaning and/ or replacing the Cam Position sensor. Jeeps by their design are user friendly so this job is a simple enough job to do.. 7/16 Socket will do just fine for those two nuts.

2. Fuel pressure regulator is a simpler job, but in my old school days ya stayed away from the fuel issue unless you smelled gas and your car sputtered and or stalled upon drving. Seein how ya have none of those issues ( im assuming) then just leaver her alone.

3. Check your fuel pump relay. In my experience, Jeeps of our age have one basic flaw. We rust, and we rust up very badly. So look at her and check the power distribution on her, She's a relay and another simple thing to replace.

4. Now Here is where the big boys need to come into play.....Fuel Pump.

It requires dropping the tank, and replacing the whole assembly outright. Not an impossible job, but a job None the less. If you go this route, check and clean your 12V connectors, and replace the filter as well. Watch the fuel lines and pay attention to the rust aspect. disassembling the tank, may damage or break nuts and bolts, so before going in this direction, Be PREPARED.

Good luck.



Posted on Nov 19, 2008

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My 1993 Jeep Wrangler makes a whinning sound when I drive it. The sound changes with acceleration and de-acceleration. It also goes away when I put in the clutch, any ideas out there on what would cause this?

Posted on Aug 09, 2008

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Sounds like the crank sensor to me

Posted on Aug 06, 2008

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98 chevy blazer misfires when cold


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I have a 1993 chev pick-up v6 4.3, i just installed new spark plugs,new plug wires, distributor cap and rotor button.All plug wires are back in the right position,and i used the firing order 1-6-5-4-3-2...


This diagram is for 1998-1995 Chevy 6 cylinder 4.3L engines.
Your got the firing order exactly correct, at 1-6-5-4-3-2, but here's the thing to double-check:
The distributor rotation is clockwise (note badly rendered arrow in picture).



archaeology_96.jpg

Since you probably got everything right, then you're left with really unusual/rare causes of
failure of the ignition system:
(a) rotor button misaligned/failing to make contact?
(b) rotor button not pressed onto distributor shaft far enough therefore failing to provide correct
proximity to distributor cap contacts when coil fires
(c) coil wire or contact loose/disconnected - press coil wire firmly down into distributor cap.
(d) distributor shaft of other damage caused during installation of rotor.
(e) spark plug wires defective from factory
(f) spark plugs defective from factory
(g) battery low - may need a charge to start
(h) ICM (ignition control module) failure - hook up your HEI (high energy ignition) tester, and
watch the quality of the spark on each cylinder.
(i) fuel problem? If spark is being properly delivered, its gotta be a fuel problem...
(j) distributor cap not screwed down flush to top of distributor? maybe just on one side?

Inspect the inside of the distributor cap - if there are lots of little metal bits all over the inside
of the distributor cap, then you know you have a misalignment of some type in there, and the
rotor and cap are destroying each other. normal operation will throw a quota of spark-ed off
metal bits inside the distributor cap, but since your cap is brand new, your attempts to start
the engine should have rotated the distributor so few times, you should see no metal debris.

Inspect the distributor cap contacts to see if any spark marks are more of less in the middle
of the cap's proper "contact zone". If not, you've diagnosed an internal misalignment, which
you know how to correct.

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Poor gas milage


Poor gas mileage can have many roots but the best way is always to start with the ignition system. Have a look at the sparkplugs, if you've got the I6 4.0 engine it is easy to check them. Spark plugs are cheap and easy to replace. Also check the spark plug wires, be sure the connections are tight and free from rust. Check the distributor cap and rotor and if they are rusty/greasy clean them up. After you've cleaned and checked the ignition items (spark plugs, wires, distributor cap and rotor) you can move on to the fuel injection system.
Replace the air filter, it is cheap and most people overlook that single item.

When was the last time you replaced the fuel filter? A clogged fuel filter reduces power drastically which in turn affects fuel mileage.

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it sounds like the injectors are not opening up man.. replace the injectores and this should fix your problem..good luck keith....

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