Turn the key to the second (ON) position for this test. fuel rail i. I am looking for knowledge here from some Ford guys. 2 wire (dark green with stripe )tach signal terminal followed to coil no 22k resister anywhere between coil and icm or coil and computer. any ideas would be helpful. test light came ON and the fuel pressure was at specification. If the engine starts when a particular injector has been unplugged, that’s the shorted injector that needs to be replaced. V8. Posted on Jul 31, 2009. 1994 ford f150 4. has fuel and spark. 1999 ford escort running too lean no codes except po1451. Need to know how you are checking for your injector pulse. 1989 FORD FESTIVA. 1) the computer is not receiving a signal it needs to supply spark and injector pulse at "Start" and "Run". It has been recommended to change out the distributor. When I tested the "ground" wire of the injector it barely drops by . The injector will not pulse. fuel pressure. Explore Our Forums. got spark compression and fuel no start. Modern car engines have electrically controlled fuel injectors that inject fuel into the engine and generate the pulse that. Still no pulse to the injectors. You should hear the hum of the fuel pump (if you go around the back of the vehicle, close to the gas tank). all it does is crank. no injector pulse, no fuel pump relay signal. Threw a noid light on all the injectors and nothing. 8 EFI engine. 2 0. The fuel injector gets clogged with deposits and won't spray enough fuel or in the proper spray pattern. We have a no start condition, issue is no spark. 2004 - 2008 Ford F150 - 2006 4. 10,000 MILES. checked power on snesors for 5v ref, ok, checked power at injectors B+, ok, not recieving ground signal from ecu to pulse injectors. read more. fuel injectors work in the 40 psi range - a pound here or a pound there. Good morning, I have a 1987 F150 Ford pickup with a 5. fuel pump relay. Car turns over wont start no fire to spark plugs and no fuel new tested fuel pump new main relay not sure if the fuel pump relay can cause this but they are way too expensive (around $100) to experiment with. no fuel to the cylinders; what are the causes of no injector pulse Other than a defective PCM. . . ) I don't have the tools to check the electrical connection. Prev. 38,000 MILES. Im almost running outta Idea's, I have 2. Connect the red wire of the LED to the battery positive (+) terminal. This is particularly true for older models, which can develop rust in areas such as the wheel arches, sills, and floorpan. 0L DOHC. Senior Master Ford Tech. wont start. no start. 0. 88 ford f150 5. Not real sure where to go from there. The veicle sounds more like a idle air control problem why? because as you stated it runs rough when it does start. J. Reconnect the air duct and try to start the car. Spray starting fluid into the TB and. The RED wire at the injectors gets it's power from the PCM relay and all the RED wires going to the fuel injectors are spliced. If it does not try this: Stick a wire or something in the back of the ground (black I think) wire in the plug and ground that somewhere on the body/engine. cranks but wont start. 9 CFI engine. I have probed th. 127 volts on all ground circuts. . Jun 25, 2013 v10 RAM no start. The PIP signal level needs to be above 6. Component pin outs. 1987 - 1996 F150 & Larger F-Series Trucks - no injector pulse + no fuel pressure ford 300 - I have no injector pulse or fuel pressure. That will save you time, energy and money. I think if you get rid of the code 14, it will run. Clues. Check the red/green wire; it should have a steady 12-13 volts with the ignition switch on and the engine not running. 150,000 MILES. The normal way that injectors are controlled is via the permanent application (ignition on obviously) to one side of the coil that operates the enclosed piston, and the precisely timed application of ground (negative) to the other side of the coil. The dark blue and dark green wires are the ground wires, respectively. Part of the fuel pressure regulator’s job is to maintain fuel pressure at the fuel injectors at all times, including when the engine is shut off. When disconnecting spout at the distributor there was spark. . if c. I have no idea what to do or how this system works. This is the relay you need. Relay . Has new, plugs, wires, fuel shut off switch, fuel pump, fuel lift pump, fuel. #12 · Nov 27, 2007. You can use a multimeter to check for continuity in the wires. 1993 f350 injector pulse missing. Drained it real good and took apart. 9L SOHC : 5 Spd Man : 15809* 0374855321* 1999 Ford Escort ZX2 : 2. Jun 25, 2013 v10 RAM no start. I Have a 1989 Ford Probe,,I having Trouble Locating a ECM Box Reason Being the Numbers Won't Match up In able to Purchase a New One. The other way to test for leaking fuel injectors is to perform a leakdown test. AUTOMATIC. At least you can determine/eliminate that possibility. ASE Certified Technician. check fuel pressure and injector pulse, if you have a noid light. Get it to start sysle the key you will hear the fuel pump go on cycle it three times then start it. 1989 ford ranger 2. I'd just replace them if they look original. has no injector pulse…. Use an ohmmeter to measure the wire resistance from the TFI to the computer. Yes ,it could . . Ford F-350 4x4 crew cab: 1988 F-350 4x4 automatic. 6 16v (made in Spain) with EEC IV 60 pins and the 3 pin. cranks over great. I have a 2012 Ford Fiesta 1. SOURCE: 1989 Ford Ranger 2. Technically they get a square wave of 0V and 12V, but a multi-meter will average the voltage. 3 Answers. . 0L,. 6 eec-v engine turns over but will not start it hits sometimes when you hold the throttle open. The unit will run on carb cleaner . Oct 19, 2011 • 1989 Ford Taurus. From my understanding the eec relay is the brown and I could not find it. has spark and has plenty of fuel pressure but no injector pulse. did extensive voltage test at computer. I got a problem with the injectors there getting power but no pulse, what do i need to do to trace the problem, not sure what to do next! any suggestions! thanks! Reply Like. I just knew it was the ECM and I changed it with a good used one. Ignition Control (IC) spark timing for each cylinder is based on this input. Connect the black wire of the LED to the number 5 circuit of the ignition control module connector. Will a Different Car made By Ford Work For This Car. 0L car will crank but not start. The other wire going to each injector is a ground wire that leads to the PCM. Cant get any flow through the valve from one of the tank inlet ports, no matter how I shuttle the valves inside. 7) the VATS is bypassed. fuel pump relay. 2246 posts · Joined 2013. 3 fuel injectors to see if it was a bad injector, but it still did the same thing. I directly connected an injector to the ECU . Pin #1 on the fuel injector. Mind u the injectors are out of socket and setting on a towel. has code b1681. 1999 Ford escort zx2 2. The car will not start. I do a ton of Jeep work but only have one ford work truck and I am struggling to figure this one out. 2 liter. You should have 12 V on both sides of the injector with key on. . Attachment: 2014-07-13_145245_escort_ecu_diagram. peak load on both output wires is 3. I have not found any input changing, only the pull down / ground control to these 4 injectors. Was always kinda disappointed that Ford didn't provide some kind of manual relearn procedure, like GM's 30 minute procedure. 0: I had the same problem, only coil wire B has. . Ignition Coil Test -No Spark No Start Tests (Ford 4. 0L engine size and matching part number E8TF-12A650-F1A. 0L, No Injector Pulse I'm working on a buddies truck that won't start. Won't start. one installed. If not, you will need a pressure tester for the fuel system to check for pressure at the test port near the engine. 6 How to test a VR type crank sensor. There is still a steady light on both wires. 0L, No Injector Pulse - I'm working on a buddies truck that won't start. No airconditioning,. Symptoms Of A Bad Ford Crank Sensor. 14,585 Answers. If the spark is clean and matching engine rpm but the injectors are not then check the signal from the Throttle Position Sensor (TPS). ok un plug one injector connector and it has 2 wires to it. Gently lay an ear to the opposite end of the rod or handle to observe an audible clicking sound to confirm the injector is working. #1. Getting fuel has spark checked maf sensor pulled injectors fuel. Since the 2. ASE Certified Technician. Code #15: Coolant Sensor Circuit High. 2) or the computer is not sending out the signal to the injectors and coil. Mechanical; I have a 1988 Ford Escort that won't start. Will not always pinpoint bad injectors. 8 v10 no injector pulse, no coil pulse. where the grounds mount to, Before reconnecting put dielectric grease to prevent. has no injector pulse or power to coils. Ford Escort GT: I have a low mileage 1993 for Escort GT 1. Use a test light to verify that there is power to the injector with the key on, if it's hot use a noid light to watch for blink that would indicate the ground is or isn't there when cranking. Guy answered 7 years ago. Fuel pump is working. Fuel injectors truely only be tested with an "O" scope to reveal hidden high current problems which and Ohm meter or an DC amp probe can't detect becuase of the short pulse widths. 88 ford f150 5. Have a paper and pencil ready and write down the code. This is the amount of fuel we need to supply to the engine to achieve 500 hp. pull the coil wire and have someone crank the engine or use a remote. Now injectors seem to be non functional. The base model Ford Escort, which was the most basic version of the car, had its own set of common issues. 3 injectors fire at the same time, so there are only 2 wires that control all 6 injectors from the computer. On testing, we found that there also was no fuel injector pulse. 4. Car would not read code 12 to show that diagnostics was working. ecm. 1989 ford bronco: 4x4. Connector pin outs. The nominal injection pressure for most Ford EFI systems is 39. Alot of - Answered by a verified Ford Mechanic. No fuel and no spark ford aspire 95. Vocational, Technical or Tra. I read somewhere that a quick way to test is to disconnect the high tension. surges in idle and runs rough. 4) I have spark at the plugs. 0L, 5. When the truck sits for some time, it will start for about half a second and then quit because the injectors are not pulsing. #1 So I take off work on friday to go to the dyno. 3 wont run will run if i spray starting fluid in throttle ok i am getting fuel injector pulse i have over 60 pounds of fuel. fuses. Please any help would be awsome. How To Troubleshoot A No Start (Ford 4. Towed in had no spark, no fuel pump pressure, and no injector - Answered by a verified Ford Mechanic.