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I have a 1999 Honda civic. After my car is warm up; I push

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on the gas and my...
I have a 1999 Honda civic. After my car is warm up; I push on the gas and my car feels like the engine floods out. If I let up from the gas the car returns to idle. It might help if the person would know about Auto System Values from Autel scanner. Thanks, Mark
Submitted: 2 years ago.Category: Honda
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Answered in 1 hour by:
12/7/2015
Mechanic for Honda: Mastertech1, ASE Master Technician replied 2 years ago
Mastertech1
Mastertech1, ASE Master Technician
Category: Honda
Satisfied Customers: 2,261
Experience: 30 years of all phases automotive diagnostics and repair
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Hello: are you getting any codes?

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Customer reply replied 2 years ago
Here is some information that might help.System Status
Ecu Ver Name Ecu Ver ValueMIL Status OFFCodes Found 0Monitors N/A 3Monitors OK 4Monitors INC 3---------------------1 of 2 Frame---------------------
Engine speed 701 RPMVEHICLE SPEED 0 mphECT SENSOR 1 196 °FIAT sensor (1) 146 °FMAP SENSOR 4.5 psiCLV 29 %BARO SENSOR 13.3 psiTP SENSOR -0.2 °HO2S S1 0.18 VST FUEL TRIM 1.06LT FUEL TRIM 1.05FSS CLOSEDHO2S S1 HEATER ONHO2S S2 0.08 VHO2S S2 HEATER ONBATTERY 13.9 VELD SENSOR OUTPUT VOLTAGE 5.33 VALTERNATOR 81 %ALT CTRL 14.5VPNP SWITCH P-NBRAKE SWITCH OFFShift lock HIGHA/C switch OFFA/C clutch OFFSTARTER SWITCH OFFSCS OpenPSP switch ONIAC command 7 %F INJECTOR 3.16 msSPARK ADVANCE 11.7 °EVAP PC DUTY 20 %FTP SENSOR 0.3 psiEVAP BYPASS SOL OFFEVAP CVS VALVE OFFMIL OFFMIL STATUS OFFMAIN RELAY (FP) ONFAN CTRL OFF---------------------2 of 2 Frame---------------------
Engine speed 707 RPMVEHICLE SPEED 0 mphECT SENSOR 1 196 °FIAT sensor (1) 146 °FMAP SENSOR 4.2 psiCLV 29 %BARO SENSOR 13.3 psiTP SENSOR -0.2 °HO2S S1 0.80 VST FUEL TRIM 1.06LT FUEL TRIM 1.05FSS CLOSEDHO2S S1 HEATER ONHO2S S2 0.18 VHO2S S2 HEATER ONBATTERY 13.9 VELD SENSOR OUTPUT VOLTAGE 6.11 VALTERNATOR 80 %ALT CTRL 14.5VPNP SWITCH P-NBRAKE SWITCH OFFShift lock HIGHA/C switch OFFA/C clutch OFF
Mechanic for Honda: Mastertech1, ASE Master Technician replied 2 years ago

To start with have you seen the IAT reading (intake air temp) 146 deg.? This sensor read the temp. of the air taken in to the air intake Have you disconnected this sensor to see what the engine does?

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Customer reply replied 2 years ago
You can see when RPM changes.. some part must be failing.
Customer reply replied 2 years ago
no I have not disconnected this sensor.
Mechanic for Honda: Mastertech1, ASE Master Technician replied 2 years ago

Keep in mind In order for the computer to send the correct injector pulse signals it relies on coolant temp. readings and intake air temps. etc.

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Mechanic for Honda: Mastertech1, ASE Master Technician replied 2 years ago

Clear all codes, then disconnect iat sensor and see how it runs and send me readings with it disconnected, Thanks

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Customer reply replied 2 years ago
I will try it... on Monday (12/7/2015) when I have some light to work with. Thanks
I will get back with you.
Mechanic for Honda: Mastertech1, ASE Master Technician replied 2 years ago

From the readings you have supplied,It is a bad IAT sensor or wiring to the sensor (wiring or corroded connections) Thanks

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Customer reply replied 2 years ago
System Status
Ecu Ver Name Ecu Ver ValueMIL Status OFFCodes Found 0Monitors N/A 3Monitors OK 4Monitors INC 3---------------------1 of 1 Frame---------------------
DTC_CNT 0FUELSYS1 CLFUELSYS2 --LOAD_PCT 27.1 %ECT 205 °FSHRTFT1 7.8 %LONGFT1 7.8 %MAP 3.9 psiRPM 706 rpmVSS 0 mphSPARKADV 12.0 °IAT 113 °FTP 9.8 %O2SLOC B1S12--B2S----O2B1S1 0.545 VSHRTFTB1S1 7.0 %O2B1S2 0.425 VSHRTFTB1S2 7.0 %OBDSUP OBDIIFreeze Frame
DTC that caused required freeze P0113
frame data storageFuel system 1 status CLFuel System 2 status --Calculated Load Value 28.6 %Engine Coolant Temperature 160 °FShort Term Fuel Trim -Bank 1 10.2 %Long Term Fuel Trim - Bank 1 0.0 %Intake Manifold Absolute Pressure 4.2 psiEngine RPM 825 rpmVehicle Speed Sensor 0 mphIntake Air Temperature -40 °FAbsolute Throttle Position 9.8 %Engine speed 707 RPMVEHICLE SPEED 0 mphECT SENSOR 1 196 °FIAT sensor (1) 146 °FMAP SENSOR 4.2 psiCLV 29 %BARO SENSOR 13.3 psiTP SENSOR -0.2 °HO2S S1 0.80 VST FUEL TRIM 1.06LT FUEL TRIM 1.05FSS CLOSEDHO2S S1 HEATER ONHO2S S2 0.18 VHO2S S2 HEATER ONBATTERY 13.9 VELD SENSOR OUTPUT VOLTAGE 6.11 VALTERNATOR 80 %ALT CTRL 14.5VPNP SWITCH P-NBRAKE SWITCH OFFShift lock HIGHA/C switch OFFA/C clutch OFFSTARTER SWITCH OFFSCS OpenPSP switch ONIAC command 7 %F INJECTOR 3.15 msSPARK ADVANCE 11.7 °EVAP PC DUTY 20 %
Customer reply replied 2 years ago
As you can see the IAT go's from (146) to (-40) when the sensor is disconnected. The same issue is present. "When my car is warm and I push on the gas it feels like the engine is being flooded out. P0113 code came up only after I pulled the IAT out and then went back to no code when I put back in. Hope this helps. Mark
Mechanic for Honda: Mastertech1, ASE Master Technician replied 2 years ago

Ok, that circuit is good, (by disconnecting the sensor,the system defaulted to -40, normal) can you send me a reading of the tps sensor with pedal depressed to about 1/4 of the way down?Thanks

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Customer reply replied 2 years ago
thanks for getting back with me... I will try to get you the data on the Throttle Position sensor at the pedal 1/4 the way down
Mechanic for Honda: Mastertech1, ASE Master Technician replied 2 years ago

Thanks,

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Customer reply replied 2 years ago
System Status
Ecu Ver Name Ecu Ver Value
MIL Status OFF
Codes Found 0
Monitors N/A 3
Monitors OK 4
Monitors INC 3At idle TP is 9.8 %
At 1/8 of the pedal TP is 12.9% at 1/4 TP might adv.16 to 17%
IF I went a little higher RPM i.e., pedal 1/4 TP could adv. 17%
TP 12.9 %---------------------2 of 12 Frame---------------------
TP 12.9 %
---------------------3 of 12 Frame---------------------
TP 12.9 %
---------------------4 of 12 Frame---------------------
TP 12.9 %
---------------------5 of 12 Frame---------------------
TP 12.9 %
---------------------6 of 12 Frame---------------------
TP 10.2 %At idle---------------------7 of 12 Frame---------------------
TP 9.8 %
---------------------8 of 12 Frame---------------------
TP 9.8 %
---------------------9 of 12 Frame---------------------
TP 9.8 %
---------------------10 of 12 Frame---------------------
TP 9.8 %
---------------------11 of 12 Frame---------------------
TP 9.8 %
---------------------12 of 12 Frame---------------------
TP 9.8 %At idle TP is 9.8 %At 1/4 for the pedal TP is 12.9%---------------------1 of 12 Frame-------TP 12.9 %
---------------------2 of 12 Frame---------------------
TP 12.9 %
---------------------3 of 12 Frame---------------------
TP 12.9 %
---------------------4 of 12 Frame---------------------
TP 12.9 %
---------------------5 of 12 Frame---------------------
TP 12.9 %
---------------------6 of 12 Frame---------------------
TP 10.2 %At idle
--------------------7 of 12 Frame---------------------
TP 9.8 %
---------------------8 of 12 Frame---------------------
TP 9.8 %
---------------------9 of 12 Frame---------------------
TP 9.8 %
---------------------10 of 12 Frame---------------------
TP 9.8 %
---------------------11 of 12 Frame---------------------
TP 9.8 %
---------------------12 of 12 Frame---------------------
TP 9.8 %Here is some steam data that might help.--------------------1 of 1 Frame---------------------
DTC_CNT 0
FUELSYS1 CL
FUELSYS2 --
LOAD_PCT 27.1 %
ECT 196 °F
SHRTFT1 8.6 %
LONGFT1 7.8 %
MAP 3.9 psi
RPM 697 rpm
VSS 0 mph
SPARKADV 12.0 °
IAT 82 °F
TP 16.9 %
O2SLOC B1S12--B2S----
O2B1S1 0.855 V
SHRTFTB1S1
Mechanic for Honda: Mastertech1, ASE Master Technician replied 2 years ago

These readings are low, Try disconnecting tps sensor and see if it will try to rev-up better let me know

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Customer reply replied 2 years ago
First, I will retry to get you the data on the Throttle Position sensor at a higher RPM. I feel the numbers might be lower than they should be because the pedal was not a 1/4 the way down long enough to get some good data. Second, I will disconnect TPS sensor and see if it will rev up better. Thanks
Mechanic for Honda: Mastertech1, ASE Master Technician replied 2 years ago

Thanks.

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Customer reply replied 2 years ago
I took the car out and did get the RPMs up so the data might be more normal. I did not have time to un plug the TPS sensor and see if it will rev up better. ThanksHere is the live Data.
DTC_CNT 0
FUELSYS1 CL
FUELSYS2 --
LOAD_PCT 74.9 %
ECT 183 °F
SHRTFT1 3.1 %
LONGFT1 3.1 %
MAP 12.0 psi
RPM 2418 rpm
VSS 45 mph
SPARKADV 19.5 °
IAT 102 °F
TP 28.2 %
O2SLOC B1S12--B2S----
O2B1S1 0.760 V
SHRTFTB1S1 2.3 %
O2B1S2 0.700 V
SHRTFTB1S2 2.3 %
OBDSUP OBDIII do have o2 sensor codes come up but no change with RPM or anythinkTrouble Codes
P0131 $0E
O2 Sensor Circuit Low Voltage Bank 1 Sensor 1
Mechanic for Honda: Mastertech1, ASE Master Technician replied 2 years ago

Tps is reading low based on the rpms and O2 reading may be caused by some old fuel in the tank, Older fuel will not burn correctly. Thanks

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Customer reply replied 2 years ago
I don't know what to do. If an O2 sensor has an issue can that make an engine just stall and stop working? Thanks for trying to help me. Mark
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