SOURCE: intermittant chugle(idle),poor throttle response
your hetred o2 sensor is also what some manufacturers call a fuel/ air metering sensor, primarily because this is exactly what it does. with a faulty 02 sensor the computer doesn't know if the engine is running rich or lean, there for causing a rough idle, repair this as quickly as possible because damage can be done to the catalytic convertors. this can cost upwards of 1000 bucks to replace depending which engine. no matter which engine you have, replace both o2 sensors in the bank that is causing the problems, this is more important with the gm line than most but holds true to all vehicles
SOURCE: 93 buick regal 3.8 L is hard to start and will not rev up
mine was doing that and i replaced the fuel pump and now it runs fine so try that and see if that works.
SOURCE: truck acts like it is running out of gas? Replaced
my '93 f-250 (4.9L) stopped running while driving, now it acts like it isn't getting any fuel. Tried switching tanks, but still does the same. What would be the problem.
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