Ford Ranger Forum - Forums for Ford Ranger enthusiasts!

Go Back   Ford Ranger Forum - Forums for Ford Ranger enthusiasts! > >
Forgot Password? Join Us!

Welcome to Ford Ranger Forum

Thread Tools Search this Thread

Old 07-26-2011, 05:57 PM
therudekid87 therudekid87 is offline
Learning to use the forums
Join Date: Jul 2011
Posts: 1
Default i think i have the mechanics touch, replaced thermostat and now misfire on cylinder 1

Ok, I feel like a jerk, I have been changing oil in the jobber trucks at a napa I work at. Well on the truck I drive I changed the thermostat because it was just dropping down to cold outside of the normal range. And this is an 02 ranger 2.3l, where the stat is on the bottom side of the block. So after it is all said and done and I slap this job all together (I'm not sloppy fyi, I used to work for furherstone aka firestone but that's another story), and I button it up, start it and this guy just spit and sputtered and was kindy jerky, I drove it and it kinda smoothed out but it didn't like any kind of acceleration or hills. Then ding the dtc light comes on, I took it down to one of our friendly shops and it say cylinder 1 misfire, nothing else.

So my question to the gurus of fords (if you ever need mazda help write me) is do you think the thermostat I put in was faulty, or is there some strange thing I should know or be weary of beforehand. The thing is that it was perfect beforehand.

Any help is appreicated.
Reply With Quote
Old 07-27-2011, 08:50 PM
sheltonfilms sheltonfilms is offline
Junkyard Dog
Join Date: Sep 2010
Posts: 1,633
Default Re: i think i have the mechanics touch, replaced thermostat and now misfire on cylind

I'm not too familiar with the DOHC engines that ford introduced in 2001 for the ranger. Is the thermostat close to the #1 spark plug hole? Some coolant could have ran into it and cause the misfire. I would remove the boot and shoot some compressed air around the plug and then remove it and clean it up (if you think coolant could have access it). If this did happen or you think it did you can try filling that spark plug boot with dialetric grease to create a barrier.
Automotive Electronics Engineer
2000 XLT 2.5L A/T
Explorer OHC
Explorer Autodim Mirrors w/ Autolamps
Explorer Sport White Face Gauges
Reply With Quote

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Similar Threads
Thread Thread Starter Forum Replies Last Post
03 3.0 flex fuel cylinder 5 misfire fixed now 4 misfire error Steve o 3.0 Vulcan Tech 2 10-04-2011 06:19 PM
cylinder 5 misfire brendaprz General Tech 5 08-06-2011 04:20 PM
Misfire cylinder 5 frogbob 3.0 Vulcan Tech 5 07-08-2011 06:42 PM
cylinder one misfire twisted61 2.9 Liter Tech 1 02-22-2010 03:48 PM
MISFIRE in Cylinder 6 RangerSteve 3.0 Vulcan Tech 3 02-08-2010 04:58 PM