P0170 driving me batty
P0170 driving me batty
About every 50 miles I get a "Check Engine" light. Torque pro gets P0170 and P0173. I have replaced the MAF with a Bosch and the O2 sensors. Hoses all look good. Ideas appreciated:
Merc scanner
Trouble Codes
P0170 $10
Fuel trim bank 1.
P0173 $10
Fuel trim bank 2.
Read Codes
P2017-1
MIL ON&Stored&Current
Self-adaptation of mixture formation for right bank of cylinders is at limit value (at idle speed). Enrichment over permissible limit (P0171)
P2086-1
MIL ON&Stored&Current
Self-adaptation of mixture formation for left bank of cylinders is at limit value (at idle speed).: Enrichment over permissible limit (P0174)
Fault Type Signal is too
large.
CARB MIL lamp ON
Fault code (decimal) 23
Fault frequency 3
Engine load 18(First)/23(La %
st)
Coolant temperature 86(First)/83(La °F
st)
Selfadaptation in idle speed 1.024(First)/1. ms
range, right bank of cylinders 075(Last)
Self-adaptation factor in partial 0.956(First)/0.
load operation, right cylinder 933(Last)
bank
Selfadaptation in idle speed 0.973(First)/1. ms
range, left bank of cylinders 024(Last)
Self-adaptation factor in partial 0.945(First)/0.
load operation, left cylinder 929(Last)
bank
Engine speed 675(First)/475( 1/min
Last)
Vehicle speed 12(First)/3(Last mph
Intake manifold pressure 383(First)/ hPa
469(Last)
Intake air temperature 50(First)/39(La °F
st)
Driving distance since fault 0(First)/0(Last miles
memory was er )
Time since engine start 6(First)/6(Last min )
Ignition angle -12.8(First)/-1 °KW
5.0(Last)
Idle speed detection ON(First)/ON(La
st)
Full load detection OFF(First)/OFF(
Last)
Deceleration recognition OFF(First)/OFF(
Last)
Secondary air injection pump OFF(First)/OFF(
Last)
Exhaust gas recirculation NO(First)/NO(La
st)
Fuel tank cap OPEN(First)/OPE
N(Last)
Underspeed exit YES(First)/YES(
Last)
Purge control OFF(First)/OFF(
Last)
Throttle valve angle 1.6(First)/1.9( °DK
Last)
Fuel tank level 39(First)/38(La l
st)
Lambda control, before TWC right 0.929(First)/0.
948(Last)
Lambda control, before TWC left 0.913(First)/0.
933(Last)
Status of Lambda control for Active(First)/A
right cylinder bank ctive(Last)
Status of Lambda control for left Active(First)/A
cylinder bank ctive(Last)
System Status
Ecu Ver Name Ecu Ver Value
MIL Status ON
Codes Found 2
Monitors N/A 1
Monitors OK 7
Monitors INC 2
Merc scanner
Trouble Codes
P0170 $10
Fuel trim bank 1.
P0173 $10
Fuel trim bank 2.
Read Codes
P2017-1
MIL ON&Stored&Current
Self-adaptation of mixture formation for right bank of cylinders is at limit value (at idle speed). Enrichment over permissible limit (P0171)
P2086-1
MIL ON&Stored&Current
Self-adaptation of mixture formation for left bank of cylinders is at limit value (at idle speed).: Enrichment over permissible limit (P0174)
Fault Type Signal is too
large.
CARB MIL lamp ON
Fault code (decimal) 23
Fault frequency 3
Engine load 18(First)/23(La %
st)
Coolant temperature 86(First)/83(La °F
st)
Selfadaptation in idle speed 1.024(First)/1. ms
range, right bank of cylinders 075(Last)
Self-adaptation factor in partial 0.956(First)/0.
load operation, right cylinder 933(Last)
bank
Selfadaptation in idle speed 0.973(First)/1. ms
range, left bank of cylinders 024(Last)
Self-adaptation factor in partial 0.945(First)/0.
load operation, left cylinder 929(Last)
bank
Engine speed 675(First)/475( 1/min
Last)
Vehicle speed 12(First)/3(Last mph
Intake manifold pressure 383(First)/ hPa
469(Last)
Intake air temperature 50(First)/39(La °F
st)
Driving distance since fault 0(First)/0(Last miles
memory was er )
Time since engine start 6(First)/6(Last min )
Ignition angle -12.8(First)/-1 °KW
5.0(Last)
Idle speed detection ON(First)/ON(La
st)
Full load detection OFF(First)/OFF(
Last)
Deceleration recognition OFF(First)/OFF(
Last)
Secondary air injection pump OFF(First)/OFF(
Last)
Exhaust gas recirculation NO(First)/NO(La
st)
Fuel tank cap OPEN(First)/OPE
N(Last)
Underspeed exit YES(First)/YES(
Last)
Purge control OFF(First)/OFF(
Last)
Throttle valve angle 1.6(First)/1.9( °DK
Last)
Fuel tank level 39(First)/38(La l
st)
Lambda control, before TWC right 0.929(First)/0.
948(Last)
Lambda control, before TWC left 0.913(First)/0.
933(Last)
Status of Lambda control for Active(First)/A
right cylinder bank ctive(Last)
Status of Lambda control for left Active(First)/A
cylinder bank ctive(Last)
System Status
Ecu Ver Name Ecu Ver Value
MIL Status ON
Codes Found 2
Monitors N/A 1
Monitors OK 7
Monitors INC 2
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