car is stuttering at certain rpms...
05-04-04, 10:42 AM
#1
car is stuttering at certain rpms...
ok im driving along and when it hits a certain rpm (either 3500 4k or 5k) its starts stuttereing. also when i start my car when its cold it sounds like its struggling to stay started at first...
any ideas?
any ideas?
05-11-04, 12:37 PM
#4
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I installed a Walboro fuel pump in my 86na. I don't know how it ran before I did this because I bought it with a bad pump. But, now when I put a load on the engine, such as trying to accelerate quickly or driveing at hi speeds, it has a huge flat spot.
I'm thinking it's getting to much fuel, and I plan to replace the ECU. Is there something else that might be causeing the problem? If not is there a way I can equil out the air fuel ratio manually?
I'm thinking it's getting to much fuel, and I plan to replace the ECU. Is there something else that might be causeing the problem? If not is there a way I can equil out the air fuel ratio manually?
05-11-04, 07:36 PM
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Originally posted by diabolical1
simple possibility: bad wires and plugs?
complex possibilities: could there be some reason that the computer may be thinking there is more air than there actually is or maybe something wrong with the temperature signal? just guessing ...
simple possibility: bad wires and plugs?
complex possibilities: could there be some reason that the computer may be thinking there is more air than there actually is or maybe something wrong with the temperature signal? just guessing ...
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08-11-05, 04:50 PM
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The ECU is black, inside the driver side kick panel, and the PCM is on the passenger side. Which one needs to be checked or replaced, and what is the difference between the two if they go bad (or soldering)?
08-08-06, 10:10 AM
#11
Originally Posted by FC3Spitsfire
ok im driving along and when it hits a certain rpm (either 3500 4k or 5k) its starts stuttereing. also when i start my car when its cold it sounds like its struggling to stay started at first...
any ideas?
any ideas?
It's caused by bad grounds.
Originally Posted by fdannels
I installed a Walboro fuel pump in my 86na. I don't know how it ran before I did this because I bought it with a bad pump. But, now when I put a load on the engine, such as trying to accelerate quickly or driveing at hi speeds, it has a huge flat spot.
I'm thinking it's getting to much fuel, and I plan to replace the ECU. Is there something else that might be causeing the problem? If not is there a way I can equil out the air fuel ratio manually?
I'm thinking it's getting to much fuel, and I plan to replace the ECU. Is there something else that might be causeing the problem? If not is there a way I can equil out the air fuel ratio manually?
08-10-06, 07:34 PM
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