Cylinder #3 miss fire and the engine light comes on
Hi I have a 1999 Blazer,Four door,Four wheel drive.When I excellerate to enter a Highway,the engine light comes on,when I brought it to my mechanic he scopes it and told me, cylinder #3 miss fired.The vehicle is sluggish at this piont and I beleive I`m only running on five cylinders.My mechanic beleives the feul pump is the cause,but I have my doughts that it would be the fuel pump because I beleive it would shut down all the cylinders not just one of them.I just had my fuel injectors cleaned about 5 months ago.I had a tune up about a year ago.I was wondering if it could be a spark plug problem causing the miss fire.After a couple days the engine light goes out and the vehicle seems to have more power again.I hope somebody can help me with this problem.Thanks in advance
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Re: Cylinder #3 miss fire and the engine light comes on
I would also check the #3 plug as well, maybe by replacing it with an old plug for a few trips to see if the problem is gone.
I don't know what kind of plugs you use but I stopped using Champion plugs years ago after buying four and having two of them with cracked insulators and doing pretty much what you describe.
It was at first only bad mornings when one or both would misfire until the engine warmed them a little and cooked the overngiht moisture out of them.
I didn't replace the wiring first though, since the problem only came up after doing the 'right' thing, replacing plugs that had 30-40,000 on them.
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Torque is a measurement tool that shows a vehicle's ability
to tow and accelerate. The 2000 Sportage generates 135 ft-lb of torque
when measured at 4,000 rpm. It tows up to 2,000 lb.
The 2000 Sportage features a 2.0-liter I4 engine that
produces 130 horsepower at 6,000 rpm. Five-speed manual overdrive
transmissions are standard for all models, but the four-door models
offer the option of getting a four-speed automatic overdrive
transmission instead. The compression ratio is 9.1 to one and the engine
displacement is 1,991 cc. The bore and stroke are 3.26 and 3.62 inches.
All manual versions get 20 miles per gallon in the city and
23 mpg on the highway. The automatic four-wheel drive models get 19 mpg
in the city and 22 mpg on the highway. The automatic two-wheel drive
models get 18 mpg in the city and 21 mpg on the highway. The two-door
model has a 14-gallon fuel tank and the other models have a 15.8-gallon
The two-door Sportage is 156.4 inches long with a wheelbase
of 92.9 inches. The four-door versions are 170.3 inches and the
wheelbase is 104.3 inches. All versions are 68.1 inches wide and 65
inches tall. The front and rear tracks are both 56.7 inches. All
versions sit 7.9 inches off the ground. The two-wheel drive, four-door
versions weigh 3,186 lb if manual and 3,230 lb if automatic. The
two-door, two-wheel drive model is 3,108 lb. The two door, four-wheel
drive model is 3,230 lb. The four-door, four-wheel drive models are
3,352 lb if manual and 3,396 lb if automatic.
The firing order on an in-line four cylinder engine is 1-3-4-2, with cylinder 1 being the closest to the radiator in a rear wheel drive, or the closest cylinder to the alternator, power steering, AC pulleys for a transverse mounted engine. Please don't forget to rank this solution.