My '92 Dodge Ram D250 with 89,000 miles started to run a little rough last summer (shaking while idling, loss in power).
So in October I did a tune up with the oil change. I replaced fuel, air and breather filters, changed spark plugs, dist. cap dist. rotor and pvc and I cleaned the carburator.
For about a week after that the truck shook really bad and died when idling. During the second week I saw a lot of black smoke and had a huge loss in power and barly made it home one day.
I check the spark plugs and they were black, covered in a soot. I cleaned the plugs and after about 60 miles same thing. Took it to a repair shop and they changed a map sensor but now, after a cuple months, its doing the same thing again. I'm having to clean or change the plugs after 60 miles or so.
Am I looking at major engine repair?
2007-03-20 05:30:34 · 5 answers · asked by underpaid 3 in Cars & Transportation ➔ Car Makes ➔ Dodge
Check the timing.
2007-03-20 05:34:05 · answer #1 · answered by ark 3 · 0⤊ 0⤋
Either Timing or check and make sure your spark plugs are in the right place. The black soot is from improper firing. If it is oil and not soot than something else is the problem.
First check make sure the spark plugs are in the right firing order. If that doesnt work,have the timing checked and timing chain replaced if necessary. If it is oil than you must replace the valve seals,gaskets to prevent oil from entering the combustion chamber. Sounds to me like it has to do with the firing order. Get a haines repair manual for the specific vehicle. It will help out alot. Improper spark will lead to very rich fuel mixture.
2007-03-20 05:40:25 · answer #2 · answered by PUBLIC CORRUPTION 2 · 0⤊ 0⤋
More than likely on a computer controlled vehicle like yours, one of the sensors is either bad, or has a bad connection. I would double check the connections on the 'carburator' or throttle body and make sure you didn't bump something when you cleaned it. Also check the other connections on the TPS, MAF, & IAT sensors. Next check the O2 sensor to make sure the connection is good. After you have checked all of these connections, and found that they are good, I would suspect the O2 myself, but the engine should be code checked to see what codes the computer throws at you.
Good luck!
2007-03-20 05:43:50 · answer #3 · answered by Doug K 5 · 0⤊ 0⤋
i own a repair shop and i think whats happening to it is the fuel pump or the regulator has gone bad on it,that willl cause it to run real rich like that,you need to have it scanned to see if it has any trouble codes in it,this wil help you in finding the cause of it,and make sure when you replace the plugs they are all gaped right ,that's real important,and will make a big difference,all its doing is creating a flooding or over loading problem with it,and there's a number of things that can cause this,have it checked to be sure ,then you can make the needed repairs to it,good luck i hope this helps.
2007-03-20 05:39:30 · answer #4 · answered by dodge man 7 · 0⤊ 0⤋
Black soot on the spark plugs means that it's burning way too rich. Perhaps when you put the carb back together you tweaked something?
2007-03-20 05:35:43 · answer #5 · answered by Louis G 6 · 0⤊ 0⤋