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FORD BRONCO
-> EXHAUST; headers, mufflers, X & Y pipes, sound clips...
-> Manifold
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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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300 CID, 84-85, Feedback Carbureted Problem Areas; "...This pickup/Bronco application typically suffers from abuse, neglected service and a poorly designed manifold and feedback system. The vehicle will drive tolerably in open loop all the time, suffering from poor driveability and fuel economy (typically in the 8-10 mpg range). Check the mixture control solenoid on the carburetor for a varying duty cycle. A fixed 50 percent duty cycle is the open-loop default value. Check the oxygen sensor for switching (frequency) and amplitude. Verify powers and grounds to the ECU (computer - located inside, above the accelerator pedal). The ECU and 02 sensor grounds are on the firewall in the engine compartment low on the driver's side. Other critical inputs to the computer are the coolant temperature sensor and manifold absolute pressure (MAP) sensor (frequency-based), which both ground ahead and above the battery on the right inner fender well. Manifold leaks are very common (both intake and exhaust). Check all manifold, carburetor mounting and manifold preheat bolts and gaskets for tightness and leaks (flowing propane around gasket areas makes this fairly simple). The exhaust manifold is a relatively thin casting and can be badly warped, particularly if the vehicle has been heavily loaded, used for towing or driven through deep water. A leaking exhaust manifold will dump raw oxygen on the O2 sensor and can make the feedback system attempt to go rich. Carburetor throttle shaft wear is an area for particular attention. Some of the carburetor screws have a propensity for vibrating loose and having the carb literally disassemble itself in normal use. When rebuilding the carburetor pay careful attention to the reassembly of the accelerator pump components -- the washer goes on top of the diaphragm, not below it. This problem has been seen on several remanufactured carburetors as supplied from the rebuilder. Rejetting should be considered a last resort. Air injection switching (upstream, downstream), exhaust system integrity, and catalyst function are areas of common problems on these trucks as well..."
Source: by aircarecolorado.com via web.archive.org
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Bassani Part Number Reference
Source: by Seattle FSB (SeattleFSB) at FSB
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BBK header misfit info & pics in a 92
Source: by topfisherman at SuperMotors.net
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Bolt Kit pics, locking by Ford Motor Sports in a 90 393W
Source: by BlueBeast (The Beast, JP N) at SuperMotors.net
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Build-Up pics, Turbo in a 78
Source: by John S (SquattyD) at SuperMotors.net
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Clifford dual-exit headers Info & pic in an 80 300; "...The Clifford dual-exit headers. Take note: The order matters, I believe the front one goes on first. Also, the factory paint is just paint and will burn off (causing LOTS of smoke) so either strip and repaint or be happy with the eventual rust color..."
Source: by Ryan P (Odey, OD) at SuperMotors.net
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DTC P0420 Catalyst System Efficiency below Threshold (Bank 1); Symptoms, Causes & Possible Solutions; Damaged or leaking exhaust manifold / catalytic converter / exhaust pipe
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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EFI Dual Installation in an 81 4.9
Source: by AbandonedBronco (Spartan) at SuperMotors.net
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EFI Dual Installation in an 81 4.9
Source: by AbandonedBronco (Spartan) at FSB
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Engine Conversion Kits for Bronco & Ford Trucks (sales catalog w/pics & descriptions)
Source: by L&L landlproducts.com
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Exhaust System Parts Break-Out Diagram in 96 5.0L & 5.8L
Source: by Ford via Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Fenderwell Headers Fabrication & Installation in a 78 351W
Source: by rsalter66 (Salt-Man) at FSB
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Ford Racing M-9430-T50 F-Series Stainless Steel; bolts right up to the Explorer 5.0 GT40P heads in an Explorer GT40 engine
Source: by Cobra Jet (Phil, cobra-jet-nj) at FSB
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Gasket; "...factory manifolds do not use a gasket..."
Source: by justshootme84 (Randy Z, Casual Mudder) at Ford Bronco Zone Forums
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GT 40P Heads & Headers Info in a 94
Source: by Cobra Jet (Phil, cobra-jet-nj) at FSB
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Hedman Headers pic in an 88 5.8
Source: by danielzink (Dan Z) at pws.cablespeed
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Hedman Headers pic in an 88 5.8
Source: by danielzink (Dan Z) at danielzink.com
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Installation info & pics, Ford Racing in a 92
Source: by topfisherman at SuperMotors.net
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Installation Instructions, Edelbrock #66492, #66493 in 88-96 Bronco & F150/F250 5.8L w/ Auto/Std. Transmission; without A.I.R
Source: by Edelbrock
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Installation pic, Gibson in an 89 5.0
Source: by stucknjax at SuperMotors.net
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Installation pics, Gibson in an 89 5.0, different post
Source: by stucknjax at FSB
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Installation pics, Hedman in a 91 5.0
Source: by PaulT (Paul T) at SuperMotors.net
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Installation pics, split header in an 85 4.9L
Source: by BigDadddy (Blue or Old Blue) at SuperMotors.net
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Installation pics, Stans Tri-Y Headers in a 78 460
Source: by Mike S (Broncster, BRONKSTER) at SuperMotors.net
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Installation pics, Summit® (PaceSetter) Shorties in an 89 5.8
Source: by BikerPepe` (4xPepe, Stone Bronco, Sold) at SuperMotors.net
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Installation, 1A Automotive in a 90 5.0 (pics are gone)
Source: by RFR (Mark B) at rfr.htmlplanet.com via web.archive.org
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Installation, Bassani & Y pipe Installation in a 95 5.8
Source: by wickedinhere at FSB
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Installation, Bassani Equal Length Shorties & Bassani 3 inch Y pipe in a 95 5.8
Source: by Trucky18 (Bco) at SuperMotors.net
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Installation, Ford Motorsport Shorties in a 90 5.0 (pics are gone)
Source: by Mud E1 (Brent R) at bejara.com via web.archive.org
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Installation, Gibson info in an 89 302
Source: by stucknjax at FSB
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Installation, Hedman HTC pics in a 79 408
Source: by Big Mike C. (Nimrod Wildfire) at FSB
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Installation, Hedman in a 91 5.0
Source: by PaulT (Paul T) at FSB
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Installation, Hedman in a 91 5.0 (register to view)
Source: by PaulT (Paul T) at bucknakedoffroad.com
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Installation, Hedman Long Tube in an 88 5.0
Source: by 95F350XL (Chris) at fordtruckfanatics.com
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Installation, Hedman Long Tube in an 88 F 150
Source: by josh88ford (Josh) at FSB
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Installation, Mustang Tri-Y headers in an 88 5.0 (F 150)
Source: by Kpate (Kevin) at FSB
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Installation, Sanderson Ceramic Coated FC3 Shorty Headers w/Flowmaster™ in a 78 400M
Source: by Tim C (TnTbronco2, Trail Truck, Street Truck, Crazed, Broke, OoG) at SuperMotors.net
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Installation, split header in an 85 4.9L
Source: by BigDadddy (Blue or Old Blue) at FSB
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Installation, Summit® (PaceSetter) Shorties in a 88 351W w/spark plug recommendation
Source: by Eric D (B-man, Beast) at SuperMotors.net
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Installation, Summit® (PaceSetter) Shorties in a 90 5.8
Source: by 90Beater (Topher, Chris) at bronco.tophersworld.com
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Installation, Summit® (PaceSetter) Shorties in an 86 5.0
Source: by Sixlitre (Malcolm H, Eddie Bauer) at SuperMotors.net
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JBA pics in a 95 5.8
Source: by Big Wurmb (John W, Leeroy, Bruisier, Rolling Thunder) at SuperMotors.net
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L&L Fenderwell Headers Fitment pics in a 78 460
Source: by Steve J (seve) at SuperMotors.net
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L&L Fenderwell Headers Info & pics in a 78 460
Source: by Broncobill78 (Dave) at Ford Bronco Zone Forums
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L&L Shorty pics in a 79 460
Source: by Paul B at SuperMotors.net
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Leak Repair in a 93; "...I used the same sealant as the factory - chassis grease in a thin film around each port. When the manifold gets hot, the grease will bake into a varnish, much like cast iron cookware. The varnish creates an effective seal..."
Source: by Steve83 (Steve, That dirty old truck) at SuperMotors.net
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Overview
Source: by WheelinElvis at FSB
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Pacesetter Cermaic Coated pics in a 96 5.8
Source: by Aaron91RS at FSB
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PaceSetter Headers, Bassani Y & Flowmaster™ 44 installation pics & info in a 96 5.0
Source: by Brad W (bew8484) at SuperMotors.net
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Repair Price Estimator, Bronco from 90-96 and other Fords; including labor & parts, shops in area, by Zip Code
Source: by RepairPal
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Repairs (Hedman) in an 88 351W
Source: by Eric D (Beast, B-Man) at SuperMotors.net
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Repairs (Hedman) in an 88 351W
Source: by Eric D (Beast, B-Man) at FSB
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Restoration in an 86 351W
Source: by Gacknar (The Mall-Crawler, Jeremy, "Big grey megga beast") at FSB
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Restoration pics in an 86 351W
Source: by Gacknar (The Mall-Crawler, Jeremy, "Big grey megga beast") at SuperMotors.net
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Studs, Long, for Summit (PaceSetter) shorties, Ford part number 392017-S430 & pic in an 86 5.0
Source: by Sixlitre (Malcolm H, Eddie Bauer) at SuperMotors.net
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Summit® (PaceSetter) Shorty Headers pics in a 96 5.8
Source: by boss (bossind, Steve) at SuperMotors.net
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Summit® (PaceSetter) Shorty Headers pics in a 96 5.8 (part of boss's engine swap from a 5.0)
Source: by boss (bossind, Steve) at FSB
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Summit® (PaceSetter) Shorty Headers pics in an 86 5.0
Source: by Mrit (Chris) at SuperMotors.net
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