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What is the difference in Champion and Bosch spark plugs?
I changed plugs and wires in my 93 Ford Ranger. Truck would not start when the temp outside dropped to 20 degrees. OK, I know that is nothing, but in Dallas the entire city shut down.
Used Duralast wires from Auto Zone and Champion plugs. Also changed the fuel filter. I put in 6 gallons of gas (tank was almost empty) and added 1/2 bottle of Lucas Injector cleaner.
The vehicle tries to die when I let off the gas, will only idle at 400-500 rpm, and sounds as if it is missing.
All wire connections have been rechecked and are secure.
Two different old mechanics said to go back and use Bosch plugs, but doubted the new wires were suspect.
Has 3.0 liter V-6, 85,00 miles.
Any help would be nice.
I will now go drink a few beers until the answers flow in.
3 Answers
- WBLv 71 decade agoFavorite Answer
Champion makes plugs to fit just about anything, but they are basic. Bosh platinum plugs work better. Just because a plug wire set is new, doesn't mean that it is good. I bought some of those Duralast wires with a lifetime warranty, to replace some factory wires that was over 20 years old. I checked them with an ohm meter, and the factory wires was better then the new ones. See if you can pull any codes from the brain box. It sounds like you have other problems.
- W ALv 41 decade ago
There is virtually no difference between plug brands. Also, spark plugs or wires will never keep your vehicle from starting if the temperature is too low. I live in Minnesota, and my Saturn started at -45 degrees with these bad boys in the cylinders: http://farm6.static.flickr.com/5298/5448885343_b02... The one on the left fired just fine in the dead of winter, even with that huge gap and carbon buildup. Of course my gas mileage suffered, but I digress...
To me, it sounds like your starter is bad, or your battery is not appropriate for cold weather. There are a few measurements for batter power output, one of which is cold-cranking amps or CCA. Your local parts store can tell you what is necessary based on the temperature. Most part stores run free alternator and battery checks, I suggest you take advantage of that.
