P2188 for YEARS
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Junior Member
Joined: Feb 2018
Posts: 3
Likes: 0
From: Miami, FL
P2188 for YEARS
I know this is a throwback, I’ve just about showered every Mazda forum and chat room there is since 2011, and have come to the conclusion that at this point all that’s left is an ECU flash.
Granted ill admit- I’m a newb, but I’m also a woman who has personally (done the work) to:
- clean the MAF/ and replaced once (cleaning is regular a few months at a time)
- replaced EGR
- replaced fuel pump
- replaced injectors,
- replaced purge valve
- replaced O2 censors
cleaner in the engine,
ive got- custome k&n air intake,... I’m sure that’s it, sending a different signal to the CPU...
what can I do?
this particular vehicle has also had the pleasure of making it all the way from seattle with me to south FL. I know she doesn’t like the humidity, but I can’t quite help that.
Also, is there a meet n greet in miami anywhere? I’m new and would love to share my new music 😎
much love Mazda heads
Granted ill admit- I’m a newb, but I’m also a woman who has personally (done the work) to:
- clean the MAF/ and replaced once (cleaning is regular a few months at a time)
- replaced EGR
- replaced fuel pump
- replaced injectors,
- replaced purge valve
- replaced O2 censors
cleaner in the engine,
ive got- custome k&n air intake,... I’m sure that’s it, sending a different signal to the CPU...
what can I do?
this particular vehicle has also had the pleasure of making it all the way from seattle with me to south FL. I know she doesn’t like the humidity, but I can’t quite help that.
Also, is there a meet n greet in miami anywhere? I’m new and would love to share my new music 😎
much love Mazda heads
Last edited by Classic Nakita; Feb 18, 2018 at 02:51 PM.
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Joined: May 2012
Posts: 7,848
Likes: 32
From: Queensland Australia
DTC P2188
Fuel system too rich at idle
DETECTION CONDITION
• PCM monitors short term fuel trim (SHRTFT), long term fuel trim (LONGFT) during closed loop fuel control at idle. If the LONGFT or the sum total of these fuel terms exceed preprogrammed criteria. PCM determines that fuel system is too rich at idle.
Diagnostic support note
• This is a continuous monitor. (FUEL SYSTEM)
• MIL illuminates if PCM detects the above malfunctioning condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
• PENDING CODE is available if PCM detects the above malfunction conditions during first drive cycle.
• FREEZE FRAME DATA is available.
• DTC is stored in the PCM memory.
POSSIBLE CAUSE
• Misfire
• Front HO2S deterioration
• Front HO2S heater malfunction
• MAF sensor malfunction
• Pressure regulator (built-in fuel injection pump) malfunction
• Fuel pump malfunction
• EGR valve stuck open
• VTCS improper operation
• Purge solenoid valve improper operation
• Purge solenoid valve malfunction (stuck open)
• Purge solenoid hoses improper connection
• Variable valve timing control system improper operation (L3)
• PCV valve malfunction
Fuel system too rich at idle
DETECTION CONDITION
• PCM monitors short term fuel trim (SHRTFT), long term fuel trim (LONGFT) during closed loop fuel control at idle. If the LONGFT or the sum total of these fuel terms exceed preprogrammed criteria. PCM determines that fuel system is too rich at idle.
Diagnostic support note
• This is a continuous monitor. (FUEL SYSTEM)
• MIL illuminates if PCM detects the above malfunctioning condition in two consecutive drive cycles or in one drive cycle while the DTC for the same malfunction has been stored in the PCM.
• PENDING CODE is available if PCM detects the above malfunction conditions during first drive cycle.
• FREEZE FRAME DATA is available.
• DTC is stored in the PCM memory.
POSSIBLE CAUSE
• Misfire
• Front HO2S deterioration
• Front HO2S heater malfunction
• MAF sensor malfunction
• Pressure regulator (built-in fuel injection pump) malfunction
• Fuel pump malfunction
• EGR valve stuck open
• VTCS improper operation
• Purge solenoid valve improper operation
• Purge solenoid valve malfunction (stuck open)
• Purge solenoid hoses improper connection
• Variable valve timing control system improper operation (L3)
• PCV valve malfunction
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