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  #1  
Old 11-24-2009, 08:42 PM
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Exclamation Really bad hesitation and sputtering!!

It does this worse after i just start it but sometimes it's just bad all the time!...i just put on new plug wires and it started doing this...it has done it before but intermittently...now it's constant...all my wires are good and tight on the coil pack and the plug...it does it in the lower rpm's as i accelerate but not in the higher rpms...it never does it at idle...it idles normal...just when i accelerate...what is it? I'm affraid to drive it much! I dont wanna mess anything up!! PLEASE HELP!
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  #2  
Old 11-24-2009, 08:53 PM
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might help to know what kind of truck it is what motor year model???????
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1993 Ford Ranger 4cyl 5 speed 193k miles
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  #3  
Old 11-24-2009, 09:02 PM
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Oh hahahhahaha sorry.....1995 Mazda B2300...2wd
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  #4  
Old 11-26-2009, 08:36 AM
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it could be that the plug wires are to close together. Ive seen cars miss horribly just because people zip tie there wires together to make them look cleaner. so check that. it could be the coil packs. check engine light on, if so run the code
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  #5  
Old 11-29-2009, 05:44 PM
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Default Runs Bad?

Have you checked the fuel pressure yet? You need to have at least 36psi! Also let it idle for a good half of an hour to one hour, often the pressure will drop due to a faulty fuel pump.
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  #6  
Old 11-30-2009, 11:25 AM
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yes do a fuel pressure test the presure should be about 35 key on and drop about 10 when running. could be fuel pressure regulator also. that is not in the tank so it is relativity easy fix throw some fuel injecter cleaner in also and how about your fuel filter?
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2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 113k.(6/5,2014) For-Sale.

Current project: 2004 Ext Cab, 4WD, 4.0, Auto, 135k(purchase price $1,350)needs an engine. I think a timing chain skipped. No rust or dents, needs a compound.
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  #7  
Old 11-30-2009, 06:35 PM
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How many miles on the truck? You might just need a new fuel filter. That is a really cheap thing to replace, and even if it isn't the problem, you have eliminated a possibility for cheap.

Did you replace the spark plugs as well? What kind did you use?
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1998 Mazda B2500 Extra Cab 5sp manual
(1998 Ford Ranger 2.5 liter)

Cat back with Flowmaster
Headers (no name)
K&N intake
Power Aid TB spacer
JET Performance chip
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  #8  
Old 12-01-2009, 01:39 AM
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my odometer doesnt work but i think its definately time for a new fuel filter...my wires are close...it was really really bad today...it was the same no matter what rpms i was at...just horrible missing it was raining today...maybe the moisture in the air has something to do with it...any ideas?
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  #9  
Old 12-01-2009, 09:20 AM
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Quote:
Originally Posted by Ddavis91 View Post
my odometer doesnt work but i think its definately time for a new fuel filter...my wires are close...it was really really bad today...it was the same no matter what rpms i was at...just horrible missing it was raining today...maybe the moisture in the air has something to do with it...any ideas?
You need to do one thing at a time to figure out what the problem is. Replace the fuel filter then drive it, see what happens. It's possible the rain has something to do with it. Maybe coat your spark plug wire caps with WD40 (the wd stands for water displacer). I had a friend with an el camino that wouldn't run everytime it rained. He pulled the distributor cap off, sprayed wd40 and that actually worked.

Might not be a bad idea to pull apart electrical connections and spray them with WD40 as well.
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1998 Mazda B2500 Extra Cab 5sp manual
(1998 Ford Ranger 2.5 liter)

Cat back with Flowmaster
Headers (no name)
K&N intake
Power Aid TB spacer
JET Performance chip
Accel coils
Bilstein Shocks
Electric Fan coming soon!
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  #10  
Old 12-01-2009, 09:22 AM
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it could be running out of gas. is your gas needle on empty?
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  #11  
Old 12-01-2009, 09:37 AM
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if the speedometer is messed up also it is prob your vss ($20) not sure where it is in your truck i think on tranny.
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2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 113k.(6/5,2014) For-Sale.

Current project: 2004 Ext Cab, 4WD, 4.0, Auto, 135k(purchase price $1,350)needs an engine. I think a timing chain skipped. No rust or dents, needs a compound.
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  #12  
Old 12-07-2009, 01:47 AM
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I'm always above full! any suggestions on that one? hahaha...i know how much gas i got by the mileage lol...it was the wires....i exchanged the first set of duralast wires for some more...they did the same thing...swapped them for the bosch...no extra charge...worked great!....they dont stay on the coil pack to well though...any ideas on how to keep them on?
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  #13  
Old 01-18-2010, 05:31 PM
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I was having the same problem, really bad hesitation, sputtering and missing. I changed the fuel filter, as well as the spark plugs and wires since it was overdue for all of them, and now it runs great!

Thanks for the good advice guys!
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  #14  
Old 01-19-2010, 04:10 AM
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regular maintenance is the key to keeping your cars starting and running well
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2004 Ranger, Ext Cab, 2WD, 3.0, 5 speed , 4WABS, crank windows, no cruise, Edge 113k.(6/5,2014) For-Sale.

Current project: 2004 Ext Cab, 4WD, 4.0, Auto, 135k(purchase price $1,350)needs an engine. I think a timing chain skipped. No rust or dents, needs a compound.
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  #15  
Old 08-06-2011, 07:01 AM
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Default Re: Really bad hesitation and sputtering!!

What about the egr or mass airflow. Sensor? Would. That do it too?
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