01 Chevy Malibu
Mileage = 187,000
3.1 V6
SES
GM Computer codes = EGR, low catalyst
Repairs done prior = car had a low mileage motor installed before i bought i would say around
50,000 or less
Repairs for this problem = plugs wires checked coils new fuel filter replaced egr
GM tech = kk
question = 01 malibu low mileage motor car will act like its starving for fuel and lose power
may go 25 and may not go at all never really dies out that much sometimes will start right back
but usually have to leave sit a couple minutes and then it may be fine for a couple days short
distances the CEL was on for egr which i replaced to no avail car has strong pressure at the
rail when it wont start ? I thought fuel strainer car will throw no codes except low catalyst after
egr i dont know what to do with it its stalling out on me and its dangerous because it wont
move when it does it and it hisses like out of the MAF?? Sometimes i will have to let the car sit
but sometimes just for a minute or 2 and it seems to run ok again it acts like it is fuel because
if you get on it hard it will sputter but at like 4500 and up but at times not do that.
KK:
You may have more than one thing going on with your car.
The code for the Catalyst efficiency low P0420, along with the problem of no power or
acceleration, indicates the Catalytic Converter is plugged. This is very common for this
condition, as well as the code for the EGR. But, this usually will not cause the car to stall, and
would not cause it to be hard to re-start. That may be another issue.
You may have an ignition module going bad, a crank sensor problem, faulty ignition switch, a
ground wire problem, or other problem.
I would get the converter checked out first.
Mileage = 187,000
3.1 V6
SES
GM Computer codes = EGR, low catalyst
Repairs done prior = car had a low mileage motor installed before i bought i would say around
50,000 or less
Repairs for this problem = plugs wires checked coils new fuel filter replaced egr
GM tech = kk
question = 01 malibu low mileage motor car will act like its starving for fuel and lose power
may go 25 and may not go at all never really dies out that much sometimes will start right back
but usually have to leave sit a couple minutes and then it may be fine for a couple days short
distances the CEL was on for egr which i replaced to no avail car has strong pressure at the
rail when it wont start ? I thought fuel strainer car will throw no codes except low catalyst after
egr i dont know what to do with it its stalling out on me and its dangerous because it wont
move when it does it and it hisses like out of the MAF?? Sometimes i will have to let the car sit
but sometimes just for a minute or 2 and it seems to run ok again it acts like it is fuel because
if you get on it hard it will sputter but at like 4500 and up but at times not do that.
KK:
You may have more than one thing going on with your car.
The code for the Catalyst efficiency low P0420, along with the problem of no power or
acceleration, indicates the Catalytic Converter is plugged. This is very common for this
condition, as well as the code for the EGR. But, this usually will not cause the car to stall, and
would not cause it to be hard to re-start. That may be another issue.
You may have an ignition module going bad, a crank sensor problem, faulty ignition switch, a
ground wire problem, or other problem.
I would get the converter checked out first.
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