car is stuttering at certain rpms...
#4
Full Member
Join Date: Nov 2003
Location: 808
Posts: 52
Likes: 0
Received 0 Likes
on
0 Posts
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?
#7
it WILL run
Join Date: Dec 2002
Location: Raleigh,MS
Posts: 2,017
Likes: 0
Received 0 Likes
on
0 Posts
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 ...
Trending Topics
#9
Full Member
Join Date: Nov 2003
Location: 808
Posts: 52
Likes: 0
Received 0 Likes
on
0 Posts
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)?
#11
Rotaries confuse me
iTrader: (7)
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?
#15
Full Member
Join Date: Nov 2003
Location: 808
Posts: 52
Likes: 0
Received 0 Likes
on
0 Posts
Thread
Thread Starter
Forum
Replies
Last Post
fastrx7man
3rd Generation Specific (1993-2002)
33
09-02-15 09:42 PM
smikels
2nd Generation Specific (1986-1992)
3
08-18-15 01:26 PM