When I bought my wagon 2 years ago I
replaced the plugs and wires. They were
crossed on the coil pack smh #1 & 3 misfire
showed up which is why I changed them but
#1 kept showing up after. Changed the coil
pack last year and it ran better but still that
stubborn #1 misfire. Checked the plug on 1
and it fouled out so replaced it and it
seemed fine for a while but it is reading #1
misfire again and now it's spits and sputters
which started a cpl weeks ago. I am a single
mom and fix most of the repairs myself as I
can't afford a mechanic but I am very
knowledgeable. I love working on my car but
also like to make sure I'm doing it right. I'm
more old school knowledge. I'm going to
check the spark plug again this week when it
isn't raining. Also the orig plugs were not
greased before I changed them. I can't stand
when someone doesn't take care of their
vehicle and then sells it to someone who has
to fix their mess up or irresponsibility. I only
drive it when I have no other choice which is
rare. I use transportation as much as
possible til I can fix this prob. Any
suggestions as to why it keeps saying #1
misfire? Is there a way for me to run a
compression test from home?
Yes, check the compression, you can rent a compression tester from an auto parts store. If that plug is getting all fouled up, it may be burning some oil threw that cylinder. Buy Autolight spark plug for the engine or just for that cylinder if the compression shows good. The Autolight is designed to burn oil, its a bit hotter plug.
Thank you so much I will do that as soon as I get paid again. You can also smell gas from time to time which I'm assuming is from gas getting into that cylinder some how. If the compression test shows bad will it tell me exactly why?
No, if the compression is low, you have to figure out why. It only shows the compression level of the cylinder. You would then squirt some transmission fluid into the cylinder and check the compression again, if the compression raises, then it is a piston ring problem, and if the compression does not raise up, then it is a valve problem. And gas would go into that cylinder anyway because of the fuel injector.
Ahh ok. A wet compression test. I'm praying for a good compression test :) thanks again I will update with the results as soon as I'm able to get under my hood. You've been a huge help! God bless you!
I need to know what happened. You didn't answer back. Did you fix your problem?? Because I have the same problem. Please let me know either way. Thank you!!
Have not been able to do a compression test. I suggest doing one on your vehicle. It may be awhile before I can on mine and besides it could be different from why yours is. Best of luck to you hun. :)
I also have a ford taurus ses 2003. Everything has been changed. Spark plugs, coils, spark plug wires, air filter and tire rods too. I am getting a misfire still in cylinder 1. The check engine light blinks when going up hills or if the ac is on and it has a hard time going up hills. I am clueless as to whats going on.
Might try checking the fuel pressure. I had the same problem with a 2002. Replaced coil pack, plug, and intake manifold gaskets. Ended up being just the fuel filter being dirty...low fuel pressure. Car runs great after replacing the filter.
TimP77 it ended up being a bad spark plug still even tho it was new. Its now driving fine and check engine light is off. Thanks tho :)
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