Replaced complete fuel injector spider assembly
Honda's among other vehicles are prone to having this surging problem. I learned a little trick that takes about 5 minutes to do and it has never failed to solve the problem. Take a 1/8 inch drill bit and just below the center of the butterfly on your throttle body, drill one small hole. The vehicle idle surges because the throttle body assembly is not getting enough air through it at idle. This will stop the surging. You only need the 1 hole drilled. Don't forget to stuff a rag or paper towel in behind the butterfly before you drill the hole. It will prevent metal shavings from entering your motor. (do this with the motor not running)
SOURCE: olds alero 2.4 idle fuel pressure
most likely idle air control sensor or low engine coolant I know sounds funny but IAC uses coolant to regulate idle. Idle air control valve or throttle body positioning sensor.
SOURCE: 95 Chevy Blazer 4.3 white smoke at idle
my 1988 chevy blazer 4x4 smokes on cold starts till it warms up then it goes away what is causing it
SOURCE: 5.3 L Missing and Rough Idle Intermittently
i have a 2001 chevy z-71 5.3L. I keep getting a random/multiple misfire code for cylinder 1 . I have replaced plugs, wires, coil pack(only on #1 cylinder)., and fuel pump. I still keep getting the cylinder 1 misfire code. I put truck on a scanner and watched the cylinders. # 1 misfires at idle but quickly stops misfiring at around 1000 rpms. you can here the engine miss at idle but truck runs great on road . anyone else ever had this problem?
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