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FORD BRONCO
-> FUEL SYSTEM; carbs, EFI, pumps, tanks, propane, ...
-> Cap, including Emission Types
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WELCOME to MIESK5's BIG BRONCO LINKS - We now have over 26,000 LINKs!
This is a Ford Bronco, Truck & Van Technical & Parts LINKS site developed by the MIESK5 Family & is not affiliated with the Ford Motor Co. in any manner.
Although we initially developed this site for 78-96 Big Broncos, information in many Links also applies to F, E Series & Cars. UPDATE; all Links via web.archive may be down; Copy orig. URL & go to http://replay.waybackmachine.org/ to search for the new archived copy
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Fuel Filler & Oil Filler Caps, Parts Catalog, Ford
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DTC P0440 & Possible Causes; "If the gas cap is not tight or the tank is filled while the key is on or the engine is idling, it can trigger a false P0440 code causing the MIL light to come on; or: The purge solenoid has failed or: The canister is plugged and not working properly..."
Source: by obd-codes.com
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DTCs & Possible Causes; P1130 - Lack of HO2S-11 Switch, Fuel Trim at Limit, P0102 - Mass Air Flow (MAF) Circuit Low Input, P0103 - Mass Air Flow (MAF) Circuit High Input, P0106 - Barometric (BARO) Pressure Sensor Circuit Performnce, P0107 - BARO Sensor Low Voltage Detected, P0108 - BARO Sensor High Voltage Detected, P0109 - BARO Sensor Circuit Intermittent, P0112 - Intake Air Temperature (IAT) Circuit Low Input, P0113 - Intake Air Temperature (IAT) Circuit High Input, P0117 - Engine Coolant Temperature (ECT) Circuit Low Input, P0118 - Engine Coolant Temperature (ECT) Circuit High Input, P0121 - Throttle Position (TP) Circuit Performance Problem, P0122 - Throttle Position (TP) Circuit Low Input, P0123 - Throttle Position (TP) Circuit High Input, P0125 - Insufficient Coolant Temperature For Closed Loop Fuel Control, P0127 - Intake Air Temperature Too High, P0131 - HO2S Sensor Circuit Out of Range Low Voltage (HO2S-11), P0133 - HO2S Sensor Circuit Slow Response (HO2S-11), P0135 - HO2S Sensor Circuit Malfunction (HO2S-11), P0136 - HO2S Sensor Circuit Malfunction (HO2S-12), P0141 - HO2S Sensor Circuit Malfunction (HO2S-125), P0151 - HO2S Sensor Circuit Out of Range Low Voltage (HO2S-21) See DTC P0131, P0153 - HO2S Sensor Circuit Slow Response (HO2S-21) See DTC P0133, P0155 - HO2S Sensor Circuit Malfunction (HO2S-21) See DTC P0135, P0156 - HO2S Sensor Circuit Malfunction (HO2S-22) See DTC P0136, P0161 - HO2S Sensor Circuit Malfunction (HO2S-22) See DTC P0135, P0171 - System to Lean (Bank 1) The Adaptive Fuel Strategy continuously monitors fuel delivery hardware. The test fails when the adaptive fuel tables reach a rich calibrated limit., P0172 - System to Rich (Bank 1), P0174 - System to Lean (Bank 2), P0175 - System to Rich (Bank 2), P0176 - Flexible Fuel (FF) Sensor Circuit Malfunction, P0180 - Engine Fuel Temperature Sensor A Circuit Low Input (EFT), P0181 - Engine Fuel Temperature Sensor A Circuit Range/ Performance (EFT), P0182 - Engine Fuel Temperature Sensor A Circuit Low Input (EFT), P0183 - Engine Fuel Temperature Sensor A Circuit High Input (EFT). P0186 - Engine Fuel Temperature Sensor B Circuit Range/Performance (EFT) See DTC P0181. P0187 - Engine Fuel Temperature Sensor B Circuit Low Input (EFT). See DTC P0182. P0188 - Engine Fuel Temperature Sensor B Circuit High Input (EFT) See DTC P0183, P0190 - Fuel Rail Pressure Sensor Circuit Malfunction (FRP), P0191 - Fuel Rail Pressure Sensor Circuit Performance (FRP), P0192 - Fuel Rail Pressure Sensor Circuit Low Input (FRP), P0193 - Fuel Rail Pressure Sensor Circuit High Input (FRP), P0201 through P0212 - Cylinder #1 through Cylinder #12 Injector Circuits, P0217 - Engine Coolant Over-Temperature Condition, P0230 - Fuel Pump Primary Circuit Malfunction, P0231 - Fuel Pump Secondary Circuit Low, P0232 - Fuel Pump Secondary Circuit High, P0234 - Supercharger Overboost Condition, P0243 - Supercharger (Boost) Bypass Solenoid Circuit Malfunction, P0298 - Engine Oil Over Temperature Condition, P0300 - Random Misfire, P0301 through P0310 - Misfire Detection Monitor, P0320 - Ignition Engine Speed Input Circuit Malfunction, P0325 - Knock Sensor 1 Circuit Malfunction (Bank 1), P0326 - Knock Sensor 1 Circuit Range/ Performance (Bank 1), P0330 - Knock Sensor 2 Circuit Malfunction (Bank 2), P0331 - Knock Sensor 2 Circuit Range/performance (Bank 2), P0340 - Camshaft Position (CMP) Sensor Circuit Malfunction, P0350 - Ignition Coil (Undetermined) Primary/ Secondary Circuit Malfunction, P0351 Through P0360 - Ignition Coil A through J Primary/ Secondary Circuit Malfunction, P0401 - EGR Flow Insufficient Detected, P0402 - EGR Flow Excessive Detected, P0411 - Secondary Air Injection (AIR) system upstream flow See DTC P1411, P0412 - Secondary Air Injection System (AIR) circuit malfunction, P0420 - Catalyst System Efficiency Below Threshold (Bank 1), P0430 - Catalyst System Efficiency Below Threshold (Bank 2), P0442 - EVAP Control System Leak Detected (Small Leak), P0443 - EVAP Control System Canister Purge Valve Circuit Malfunction, P0451 - FTP Sensor Circuit Noisy, P0452 - FTP Sensor Circuit Low Voltage Detected, P0453 - FTP Sensor Circuit High Voltage Detected, P0455 - EVAP Control System Leak Detected (No Purge Flow or Large Leak), P0456 - EVAP Control System Leak Detected (Very Small Leak), P0457 - EVAP Control System Leak Detected (Fuel Filler Cap Loose/Off), P0460 - Fuel Level Sensor Circuit Malfunction, P0500 - Vehicle Speed Sensor (VSS) Malfunction, P0501 - Vehicle Speed Sensor (VSS) Range/ Performance, P0503 - Vehicle Speed Sensor (VSS) Intermittent, P0503 - Vehicle Speed Sensor (VSS) Intermittent, P0505 - Idle Air Control System Malfunction, P0552 - Power Steering Pressure (PSP) Sensor Circuit Malfunction, P0553 - Power Steering Pressure (PSP) Sensor Circuit Malfunction, P0602 - Control Module Programming Error, P0603 - Powertrain Control Module KAM Test Error, P0605 - PCM Read Only Memory (ROM) error, P0703 - Brake Switch Circuit Input Malfunction, P0704 - Clutch Pedal Position Switch Malfunction, P0720 - Insufficient input from Output Shaft Speed sensor, P0721 - Noise interference on Output Shaft Speed sensor signal, P0722 - No signal from Output Shaft Speed sensor, P0723 - Output Shaft Speed sensor circuit intermittent failure, P0812 - Reverse Switch (RS) input circuit malfunction, P1000 - Monitor Testing Not Complete, P1001 - KOER Not Able To Complete, KOER Aborted, P1100 - Mass Air Flow (MAF) Sensor Intermittent, P1101 - Mass Air Flow (MAF) Sensor Out of Self-Test Range, P1109 - Intake Air Temperature 2 Sensor Intermittent, P1112 - Intake Air Temperature (IAT) Sensor Intermittent, P1114 - Intake Air Temperature 2 Circuit Low Input, P1115 - Intake Air Temperature 2 Circuit High Input, P1116 - Engine Coolant Temperature (ECT) Sensor Out of Self-Test Range, P1117 - Engine Coolant Temperature (ECT) Sensor Intermittent, P1120 - Throttle Position (TP) Sensor Out of Range Low (RATCH too Low), P1121 - Throttle Position (TP) Sensor Inconsistent with MAF Sensor, P1124 - Throttle Position (TP) Sensor Out of Self-Test Range, P1125 - Throttle Position (TP) Sensor Intermittent, P1127 - Exhaust Not Warm Enough, Downstream Sensor Not Tested, P1128 - Upstream Oxygen Sensors Swapped from Bank to Bank (HO2S-11-21), P1129 - Downstream Oxygen Sensors Swapped from Bank to Bank (HO2S-12-22), P1130 - Lack of HO2S-11 Switch, Fuel Trim at Limit, P1131 - Lack of HO2S-11 Switch, Sensor Indicates Lean. READ MORE
Source: by Steve at justanswer.com
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Easy Fuel TM "No Cap" Fuel Filler for 97+ Explorer & Mountaineer: "...Starting in late November, 2007 all Ford Explorer (except Sport Trac) and Mercury Mountaineer..."
Source: by Ford motorcraftservice.com
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Ford Eliminating The Gas Cap Article (Easy Fuel TM "No Cap" Fuel Filler)
Source: by moddedmustangs.com
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Fuel Cap & Filler Tube mods in a 78
Source: by Quint C (Quint's Bronco Project, (04 F-150 Supercrew drivetrain) at comcast.net/~qcrispin
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Overview & Depiction; "...The fuel fill cap is sealed and includes a built-in pressure-vacuum relief valve. Fuel system vacuum relief is provided after 3.5 kPa (0.50 psi) and pressure relief after 11.0 kPa (1.6 psi). Under normal operating conditions, the fill cap operates as a check valve, allowing air to enter the tank as fuel is used, while preventing vapors from escaping the tank through the cap..."
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Overview & Parts Break-Out & System Diagrams in a 95; "...Basically how the system works is the valve you see on top of the tank is the evaporative emission valve (9B593) mounted on the top of the fuel tank (9002) is used to control the flow of fuel vapor entering the fuel tank vapor delivery line which conducts vapor forward to the evaporative emissions canister (EVAP canister) (9D653) in normal circumstances. If, due to extreme conditions, excessive pressure is generated inside the tank, the purge port opens up, allowing fuel vapor to escape to the atmosphere, and stabilizes pressure inside the fuel tank. The evaporative emission valve has a head valve which prevents the fuel tank from overfilling during refueling operation. The evaporative emission valve also has a spring supported float assembly, which prevents liquid fuel from entering the vapor delivery line during severe handling, steep grades or in the event of vehicle rollover. Now when the engine is off the pressure from tank will open the valve and let vapors go into the vapor lines to the carbon canister in the front. Then when you start the vehicle the canister purge valve will open and draw the vapors from the canister back into the engine to be re burned. Now the canister is sealed and should not leak but it does not really hold pressure. The valve in the tank should close when the pressure equalizes in the tank. and the carbon in the canister absorbs the vapors and holds them until the engine is started. Also check the canister purge solenoid make sure it click good if you supply power on the red wire just to make sure it isn't stuck and you can unhook the hose and pull a vacuum on not and make sure it is not leaking..."
Source: by Chuck at justanswer.com
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