Last post on May 04, 2012 at 7:16 AM
You are in the Chevrolet Lumina
What is this discussion about?
Chevrolet Lumina, Sedan
#548 of 857 1991 Chevy Lumina
May 01, 2003 (4:56 am)
I have a Chevy Lumina 3.1 v6, fuel injected. About 2 wks. ago my husband drove the car across town and came home said the car was missing, and it was acting like one of the coil paks were out. So I took it to a retired GM Mechanic who is retired,and has the computer analisis machine. He replaced a censor. I drove it about 20 miles, then it done the missing again. Its like something is in the gas, dirt or water or maybe a spark plug or wire is breaking down. I just had the plugs replaced. So I took it to another supposed certified mechanic, he replaced the ignition module on it. Drove it about 50 miles, and it started the missing again. Now I have sunk almost $500 in the old car. I just don't know what to do. If the computers can't detect the problem, who can? It doesn't do it constantly. Just when I try to excel, when the engine has to try. Could dirt be in the gas? I have changed the fuel filter too, that did not phase the problem. I would appreciate the help if anyone can advise me. I am running out of patience with this heart beat of America, and fixing to go back to Ford Country.
May 04, 2003 (3:59 pm)
True you have a problem with the miss, but what about 500.00 for nothing!!! I would expect one of these "mechanics" to either find and fix the problem at no additional charge, or refund your money, why do you have to go all over town, spend this money and still be in the same spot, these cars are not rocket science, ineffective repairs should not be you responsibility to pay for. On a 91 car the computer will not tell you there is a miss, as such, a plug wire could do this, or one bad injector, If the miss is there when the shop checks this out, there should be no problem diagnosing it, without "guess work". Good Luck
May 12, 2003 (6:57 am)
Have intake manifold gaskets been considered? How's your coolant level? Do you have to add coolant often?
#552 of 857 Service Engine Light On Dash Board
Jun 05, 2003 (6:05 pm)
#1 of 3 Service engine light came on dash board by cwilliam2 Jun 02, 2003 (7:36 pm)
The service engine light came on so I took it to the dealership. Codes 23 park/neutral switch need
replacing and code 77 intake manifold gasket came
on. Does anyone know anything about the park/neutral switch and what are the indications it need replacement. I got a second opinion and
was told this work ($1,900.00) was not necessary.
#555 of 857 Transmission cooler not cooling
Jun 17, 2003 (6:44 am)
Scan tool showed the temperature of the transmission (3.1,4T60E) to be 230 degrees F after an hour of driving. It seems the transmission would steadily get hotter the longer I drove, with no apparent cooling taking place. Normal range is 175 to 212F. A temperature of 250F will set code 79.
I removed the radiator and flushed the trans cooler with the garden hose. At first nothing happened, then slowly this viscious goo started dribbling out. After about 5 minutes of steady pressure, the water exiting was clear and unobstructed. A test drive showed a 30F drop. If you are experiencing transmission over heating this could be one of the causes.
Jun 17, 2003 (11:13 pm)
Agreed the thing is cheaper than the asian competetion but comes nowhere near in refinement terms.
#557 of 857 Transmission cooler
Jun 18, 2003 (3:40 am)
What do you think the goo is? If it were collecting in the transaxle the valve body would get gummed up. I haven't heard of this before.