We think it is a shortage or a bad relay. The average cost for a Ford Escort General Diagnosis is between $88 -$111. If it doesn't blow, plug the components back, one at a time. All wires sensors checked. Figure 2. 2000 4runner 3. Now turn the key on. Either way, it should have a fuse box cover that you’ll need to access the main relay. There are two common locations for this fuse box. Save. I would look for a wiring short in the trunk at the taillamp area, or, inspect the sockets for the taillamp bulbs for corrosion. I have a 2000 Tundra with 114,000 miles on it. replaced it and it blew about 15 min later. $117. Number. . Some of the other wires are also ground wires. 0. Help please. '03 Vibe GTToday on the way to work the 15 amp fuse for the EFI blew which obviously is the sign of a deeper problem. Poll04 Matrix - EFI fuse keeps blowing. Replace the fuse, turn the key on, and plug them in one at a time until the fuse blows. Single switches or relays can fail internally causing a number of different symptoms including no start conditions (inoperative fuel pump or PCM), engine running warm due to inoperative cooling fan, or the AC might not blow cold air. Turn the engine switch off (with a smart key system – turn the “ENGINE START STOP” switch off). A malfunctioning EFI fuse can lead to a range of issues, including engine misfires, poor fuel efficiency, and difficulty starting the vehicle. Ok, Im with you. Electronic Control Assembly), but also supplies power to the fuel injectors, the fuel pump relay, and a few other emissions related solenoids. The most common reason for the EFI fuse to blow is the wiring is rubbed through somewhere in the engine wiring harness, this fuse supplies power to many EFI parts on the engine, always look for shorts where the most movement is, the engine is that place, most likely the next time. An electrical problem in the vehicle: If there is an electrical problem in the vehicle, it can cause the starter fuse to blow. SOURCE: need to replace the starter on a 1994 Geo Prizm. I usually installed a 30 Amps to limb home whenever that fuse blown. Turn the key on. I unplugged the o2 and checked the wires but im not sure if anythings shorted anymore because the fuse isn't blowing anymore. If the fuel pump relay fails the fuel pump will be left without power. A simple trick to finding a short is to replace the blown fuse with a pair of spade terminals, then use small jumper wires to connect them to a 12 volt light bulb. Preventative and cyclical automative care - YES ! After lows this week (-18f last nite), for the. Look for signs of corrosion, this fuse only powers the fuel pump and the engine ecu. So I have a 96 2. I. Just to keep water entry out in the future. what else is part of the 4x4 crkt. That and or heat creates a malfunction somewhere that is connected to the EFI fuse. EFI relay is good, COR relay is good and I have installed a new fuel pump and filter. It will probably be much less than 1 Ohm. I cheked the mini 15 amp fuse for the EFI and it had blown. The oxygen sensor uses the exhaust manifold for grounding (no ground wire). Wouldn't go over 2000 rpm. 15 amp EFI fuse blows every time I turn the key (have not seen any other threads that mention this symptom). See other Toyota RAV4:Method 1 of 2: Removing the cooling fan relay in the underhood fuse/relay box. The pump is not a likely suspect. Blows efi fuse when taking off from a stop when under medium acceleration or when - Toyota 1989 Pickup SR5 question. 2) EFI Fuse will not blow when EFI relay is removed. Make sure that your battery is fully charged when you check if it’s working. In addition it powers the ECM. I replaced the fuse, and drove it home, and even when using brakes, the fuse hasn't blown since. It was a hard start and ran very rough and very very rich to the point of pumping fog out. rtf. 84 posts · Joined 2007. The power distribution box contains high-current fuses that protect your vehicle’s main electrical systems from overloads. The truck was running fine but after I filled up, it would crank, but not run. Check injector circuit. Jonathan Yarden Feb 11, 2021 · 5 min. ) Oxygen Sensors (there are three of these), 4. Also sometimes it keeps blowing the efi fuse. Try this: disconnect the wiring connector going to the fuel tank, under the bed. I then put 14 more gallons in until it was full (thats 16 for those. Replaced and started car. SOURCE: 1992 toyota pickup , blowing efi 15 amp fuse in. The fuse block location may vary with the age and style of the mower, but is generally located along the wiring harness between the battery and the key switch. The fuse in the 2000 Cherokee Electric vehicle is still blowing. Check the EFI fuse. EFI: 15: Multiport fuel injection system/sequential multiport fuel injection system: 8: HORN: 15: Horn, emergency flashers: 9:Stereo tis trac mk1 2000 ford f150 radio wiring diagram Ford au alternator wiring. makes me think something is shorting out, but i looked all over, & don't see any loose wires or anything. Today I put a fuel gauge on it and drive it. Now, it is at the point where the engine won't start at all. 3,066 satisfied customers. It started and ran fine after I did that, but I went to drive to work this morning and the same thing happened: the truck died. Check fuses 6 and 7. 120. Turn the key on. The EFI fuse keeps blowing every time I replace it and turn the key on. SORRY THE FUSE DOES BLOW WHEN I TRUN IGNITION FROM OFF TO ON. Be the first to answer Feb 22,. As far as the ignition Relay that should be easy to test. If it is blown, that is most likely your problem. The 15 amp fuse blows in the EFI near the battery . Why does the EFI fuse keep opening? 2. Any idea what's causing it? Posted by Nathan Gluvna on Mar 14, 2016Own a 2005 toyo camary. The worst complaints are electrical system:ignition, electrical system:ignition:module, and electrical system:wiring:fuses and circuit breakers. ASE Cody Cook. 95. STOP. Replace the fuse, turn the key on, and plug them in one at a time until the fuse blows. Related Discussions when a fuse keeps blowing it can only be one of two causes. Originally Posted by seanf. haven't had a chance to look at the fuel pump the tow dolly I rented to get it home. The wire that the main relay is supplying power to is shorted. The peculiar part is that it only blows the fuse in drive and moving and I push the gas pedal. Not exactly sure that has anything to do with the problem i'm having but it started right after. I have a 2004 Matrix and out of nothing the engine shot down. 1) EFI Fuse blows on KEY ON. ALT. 26 Answers. runs for about 15 seconds and then dies. Hello 22re engine efi fuse blows immediately when turning on ignition. In runs for 10 seconds then stops. Stick shift. Replace the fuse, turn the key on, and plug them in one at a time until the fuse blows. 3. Think clicking is coming from EFI Relay. Hope this helps,EFi fuse keeps blowing. and manual trans. 2 posts · Joined 2022. Listen for fuel return noise from the fuel pressure regulator, and verify pressure in hose from the fuel filter. A bad short blowing the fuse. Disconnect the fuel pump connector at the fuel pump. The photos are of what was left of the fuse in the side towards the front of the truck. Turn the key off and check the fuse. If this happens, check and replace the fuses as necessary. its the fi e/m fuse in the under hood fuse box 15A top left one. took it to dealer. EFI and ECTS fuse location. $159. 2006SiennaLE. I change about 15-20 fuel sending units a year for this exact same issue. Turn the engine switch off and turn off all electrical accessories. ted ritter : Remove the EFI main relay and see if it stops blowing. If it does not turn the key off, reinstall the EFI relay and remove the circuit opening relay/fuel pump relay. Remove the EFI relay from the fuse box under the hood, if the fuse stops blowing check the B+ terminal in the diagnostic connector with key off for a short to ground. I change about 15-20 fuel sending units a year for this exact same issue. Look between the Brake Fluid Reservoir and the Air Filter Housing. 2006 Toyota Land Cruiser. 1. Mar 5, 2016 at 8:02 PM #2 #2. Here are some common concerns with the EFI fuse: 1. EFI relay is good, COR relay is good and I have installed a new fuel pump and filter as the car sat idle for a while. I change about 15-20 fuel sending units a year for this exact same issue. Next I checked the fuses, the main 20 amp fuse was blown, and all other fuses were good. Posts: 35. The EFI fuse runs the O2 heater element and if the sensor or the O2 sensor wiring is bad, you will blow the fuse. Fuse: Ampere rating [A] Description: 1: FUEL INJ: 30: Fuel injection system, air bags, generator: 2: DEFOG: 30: Rear window defroster: 3: MAIN: 100: Overall circuit. Truck fired up and ran. If this happens, check and replace the fuses as necessary. I is starting to happen more frequently. 😅. Replace the fuel tank sending unit if the fuse does not blow. Unplugged fuel pump lines at tank may sensor and both o2 sensors. starters are actually pretty easy. 3”, “RDI”, “CDS”, “AM1”, “ABS” and “ABS NO. After the relay it goes to a few other places. Check injector fuse, as a start. Comment; Flag; More. SOURCE: fuel pump fuse blowing. If the fuse does not blow, then the power wire going to the fuel tank sending unit is shorted out to ground. The problem seems to have been a defective fuel pump. -- On your Rav, find the EFI main relay in the instrument panel junction box. Turn the engine switch off and turn off all electrical accessories. B) Underneath and behind the battery, located beneath the seat. which fuse is blowing and where is it located. Xf falcon efi. The problem turned out to be a blown EFI fuse as Cdan and others advised. The EFI fuse supplies voltage to the EFI relay and then the fuel pump. On mine the EFI fuse protects the fuel pump, IAC valve, EGR valve, Vapor pressure Sensor, Evap Solenoid, ECM As I asked, I know that a few Comp owners have had this problem, but don't know if anyone ever fixed. I have read all of the threads about this problem. Found broken small rubber hose from firewall to air filter housing - replaced and cleared code-- code returned. Sometimes moisture will get in there and short some of the pins together. If the fuse does not blow, then the power wire going to the fuel tank sending unit is shorted out to ground. Check the rest of the fuses especially. Wait two to three minutes with both fuses out at the same time. 88 toyota pick up v6 keeps blowing efi fuse. Get tips on blown fuses, replacing a fuse, and. I was able to get it to run for a short time by swapping relays (tested the relays by applying 12V and heard click) around but it died within 5 minutes of. SORRY THE FUSE DOES BLOW WHEN I TRUN IGNITION FROM OFF TO ON. BigBoyRacing Discussion starter. The other day I was cruising at 40mph and the car shut off,no sound from the fuel. 1044 posts · Joined 2006. If the fuse does not blow, then the power wire going to the fuel tank sending unit is shorted out to ground. the FITech 30002 Go EFI with timing control, FITech HyFuel in tank fuel pump, and MSD 85793 Dist. 45/50 psi all the time fuse never blew. I inserted a new fuse and turned the ignition, nothing; checked the main fuse again and it was blown. Check the large power cable to the alternator and the fuse – usually, a large 40-60 amp fuse near the battery. ASE Certified Technician. Unhook them all, then one at a time reconnect them through a 20 amp fuse and see which one blows the fuse. The least expensive fix would be to replace a blown fuse, which might only cost you $10, and you can easily do this yourself. Fuse Layout Toyota Avalon 2000-2004 Cigar lighter (power outlet) fuses in the Toyota Avalon are the fuses #39 “PWR OUTLET NO. Now everytime I turn the key to the ON position the EFI fuse blows. Our service part # 925-1381, and is available at our Online Parts Store. Any ideas, FYI I’m new here.