B16A problem. Can you help?
11-22-2006, 07:57 AM
#1
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B16A problem. Can you help?
I got the car about 8 months ago.
91 CRX Si with a B16A.
Did the normal maintenance to it.
Plugs are gapped at .044mm
Just replaced injectors, runs the same.
Put on an Adjustable Fuel Pressure Regulator, and gauge.
Runnin 32-40PSI, and have ruled out that it might be a fuel issue.
Car runs fine when warm and driven for about 20 minuites. But still has a slight miss at idle and below 2k rpm, I can see the tach bump up and down about 100-50rmp and can slightly feel it miss. and I can hear it miss if I am behind the car.
Its bad when I first start it. drops 500rpm randomly.
And after I warm it up and drive it for a little while, it still misses, but its harldy noticeable.
I dont think it is a ignition problem, everything has been replaced as far as that goes.
NGK v-power plugs
NOLOGY Wires
Cap
Rotor
Some people told me it might be my Coolant Temp Sensor sending a wack signal to the ECU and causing it to malfunction.
I have one code (23) Knock sensor unplugged or defective.
Would that cause my problem?
Had a valve grind and new seals about 6000miles ago.
Plugs are clean.
Any ideas?
I just want it to run smooth at idle!
91 CRX Si with a B16A.
Did the normal maintenance to it.
Plugs are gapped at .044mm
Just replaced injectors, runs the same.
Put on an Adjustable Fuel Pressure Regulator, and gauge.
Runnin 32-40PSI, and have ruled out that it might be a fuel issue.
Car runs fine when warm and driven for about 20 minuites. But still has a slight miss at idle and below 2k rpm, I can see the tach bump up and down about 100-50rmp and can slightly feel it miss. and I can hear it miss if I am behind the car.
Its bad when I first start it. drops 500rpm randomly.
And after I warm it up and drive it for a little while, it still misses, but its harldy noticeable.
I dont think it is a ignition problem, everything has been replaced as far as that goes.
NGK v-power plugs
NOLOGY Wires
Cap
Rotor
Some people told me it might be my Coolant Temp Sensor sending a wack signal to the ECU and causing it to malfunction.
I have one code (23) Knock sensor unplugged or defective.
Would that cause my problem?
Had a valve grind and new seals about 6000miles ago.
Plugs are clean.
Any ideas?
I just want it to run smooth at idle!
11-22-2006, 09:24 AM
#3
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Location: Allentown PA, - Phila, PA
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I had a similiar problem during the summer... Look for my posts on here, I'm sure it will help...
My problem was caused by a loose ground wire... I had everyone telling me it was my spark plug wires, among other things but they were fine... But Nology's do suck, just use OEM NGK...
I'm not gonna repeat my situation, just search for "loose ground wire"...
I can almost guarantee it is a loose ground wire, and there are many of them to check... Start your car when it is dark and look for sparks!
Good luck!
My problem was caused by a loose ground wire... I had everyone telling me it was my spark plug wires, among other things but they were fine... But Nology's do suck, just use OEM NGK...
I'm not gonna repeat my situation, just search for "loose ground wire"...
I can almost guarantee it is a loose ground wire, and there are many of them to check... Start your car when it is dark and look for sparks!
Good luck!