Sorry about bringing this up late, but I figured out why this happened.
While the catalytic converter is a likely culprit, in this case my truck is OK. It was actually the water plant where I lived in Cedar Rapids, which had completely failed and was making the whole city smell like rotten...
OK, thanks guys! This answered a lot of questions.
I ended up going with some Autolite double platinum spark plugs for now - with the rebate they ended up at 88cents a pop. At some point down the road I'll get the double plat Motorcrafts too.
The main thing I wanted to know was why those...
So, I have a problem I've noticed that I hope y'all can help with.
I have a 2008 Ford Ranger 4.0L 4x4 with 135k that sorely needs its original spark plugs changed. Yes, I know it's been too long.
When I check that on Rock Auto, for Motorcraft OEM, only the copper electrode / nickel plated...
Hey guys,
New to the ranger forums, been lurking when I need to find answers. Overall I've found very helpful information on here so far! I'm new to owning a Ranger as well, having bought one a year ago.
I have a 2008 4.0L 4x4. When I start it up, and run the heater (it's about 30 up here)...
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