3.0 Hesitation

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Sep 23, 2004 | 01:17 PM

JJs Ranger

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Joined: May 2004

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3.0 Hesitation

99 Ranger 3.0 feels like it is missing, especially when sitting still with ac running. Doesn't do it until the engine warms up. Upon acceleration it will hesitate, feels like it misses for a few seconds, then take off. A couple of times I have felt it bucking at highway speeds when RPM's are in low range (2500).

Couple of times I thought I smelled gasoline while sitting still. I have replaced the IAC, air filter, plugs, cleaned the MAF and throttle body with no results.

Any ideas? JJ

Sep 23, 2004 | 09:24 PM

Ken00

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Joined: Dec 2001

Posts: 10,562

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From: South Jersey

I would start by checking for codes and replacing the wires, don't forget to put dielectric grease on the boots anytime you remove them.

Sep 24, 2004 | 07:01 AM

RoushFan00

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Joined: Oct 2003

Posts: 50

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From: Columbus, OH

In my experience, if there were bad wires you could raise the hood while it's dark out and see if sparks are jumping from the wires. Not that it's a bad idea to go ahead and change wires, but if don't you want to replace them unless you have to, this may be one way to conclude if they are bad or not. Also, the last time I changed my plugs I had the same problem that you're describing. Turns out I'm not above cracking plugs when I put them in. This set off a code and Autozone was able to tell me exactly which cylinder was misfiring with they're little code-pulling gizmo. Just some food for thought. Good luck!

Sep 28, 2004 | 01:12 PM