Chevy S10 Sputters on the Highway. Feels like it someone is tapping the brakes, and I THINK I heard misfire.?

The S10 sputters on the Hwy around 55+, I tried to go as fast as 85 and it didnt go away so I slowed down to 70, which gets you ran off the road on the FL turnpike.
-Check Engine Light came on w/ 3 codes: Weak signal from TPS sensor, EGR valve, weak signal from Fuel Pump
-I bought a new fuel pump assembly and it didnt help at all
-Truck idles, and drives around town perfectly
-Started a couple of days ago on the way down to Miami, didnt stop on the way back to Orlando
-Craziest part, I tailgated (almost at a dangerous level) with a semi truck for an hour and it drove perfectly, AS SOON as the semi exited and I was left alone the problem came right back

I dont want to guess and spend money on parts I dont need, especially since I already bought and installed a fuel pump.

I REALLY think it is a wiring/bad wire problem. What else could it be, or how do I find a bad wire. Where should I start looking???

This thing has me flat out stumped...

BTW, S10 for sale LOL

I had this exact same problem with my S-10. Turned out to be a faulty/fouled spark plug (champion). I had just replaced them about a week previous, so I didn't think that could be it. I replaced the spark plugs (I used NGK this time... gap them first!) and it fixed the problem.

Remember, always start with the cheapest solution first and work your way up!

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How to Deal with a Used Trucks Dealer

I have been following the automobile industry for a long time and when it comes to trucks, I always recommend purchasing used trucks instead of new ones. The reason behind this that a used truck costs much less than a new one and it gives excellent value for money. The value for commercial trucks quickly depreciates as soon as it is taken out of the shop so you can easily get a good quality truck for a much less price. Some people say that people put trucks for sale in the market when if they don't work well. This is true to some extent but I have also seen some people sell their new trucks just because they cannot afford to have them or because they urgently need the money. If you get your hands on these diesel trucks, it will be like buying a new one for fewer prices.

I am here writing about how to deal with a used trucks dealer. The first thing that you need to remember is – negotiate hard. If the dealer has put trailers for sale or any other trucks in the market, then the price can be negotiated easily. Remember that the asking price is just the asking price and nothing else. You see a big price on slapped on the truck, but it doesn't mean that the dealer is unwilling to lower his demands. Some dealers put a big price tag on the semi trucks so that they make a lot of money in profit even after negotiations.

If you are done negotiating with the dealer, the next thing to do would be checking. I would recommend you to take the truck for a long drive. Check if the engine is working properly and also make sure that there are no leakages. When it comes to cars, the easiest way to check leakage is to look under the carpet. If there is water in there, I mean the roof leaks. Don't take leaking roofs lightly. The water might cause the internal parts to collect rust. This rust might cause permanent damage to the truck.

About the Author

Maria Scott is a writer specializing in technology, new media and consumer guide Automotive. He is the Marketing Exe. at Remarkable Trucks Corporation and his past work has included press releases, copy-writing, Automotive writing and journalism.

For more information, be sure to visit Used Truck for Sale, you will be guided to provide greater control, purchase and then finding a Truck easier than ever.

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