05
Sep
The fuel pump is giving it gas but it will not spray and therefor the engine dies on start up. Engine Catching Fire.
Cant find any disconnected wires or hoses and checked all the fuses.
What can cause fuel injectors not to spray. Hence no spark. But you have spark. Also from this CAS signal the ECU will know when to send an injector pulse signal.
If you have spark the ECU should be recieving its signals from the CAS but it seems to me the ECU is not sending an injector pulse signal to the injectors to coincide with the spark signal. If pump operates check fuel pressure in fuel rail. If fuel pressure is within factory specification but there is no injector operation the injector circuit has to be traced to find the fault.
If you desire that a certified mechanic resolve this promptly please simply request a no start diagnostic and the responding mechanic will get it diagnosed and repaired for you. The fuel pump is giving it gas but it will not spray and therefor the engine dies on start up. You can spray starter fluid into the carburetor and it will continue to run but the problem is the injector not spraying fuel into it.
We checked the wires leading into the injector and they are delivering a signal when we turned the key but still no spray. What causes no injector pulse. When the fuel is sprayed and make a mixture with the air inside the intake manifold and due to low pressure in the intake manifold the airfuel mixture vaporizes that where the fuel injection ECU sensor works and send a signal to ECU to provide the right airfuel mixture ratio the volume of the fuel to be drawn from the fuel pump.
Due to the leakage the pressure in the fuel rails might drop and fuel might not be sprayed as much as calculated by the ECU Electronic Control Unit. Engine Catching Fire. An injector that stops working is not a fire risk but can damage and cause the vehicle to run poorly.
Any malfunctioning of the fuel injector will result in angled spray pattern which is not useful to enhance engine performance. 1 Unused fuel becomes baked Improper fuel system maintenance will result in the creation of heatsink which will heat up. Hey guys before you beat me up Ive checked around the site doing research on fuel injectors but havent really found one that would tell me why they wouldnt sprayThe easy answer would be that they are clogged up but Ive gone through and cleaned them and still nothing.
When you shut off your engine the injector will soak up the heat of the engine. Dirty Or Clogged Fuel Injectors. This causes any fuel left in the injector to evaporate leaving behind hard deposits inside the injector.
Over time these will eventually block the injector. Continue connecting fuel injectors and retesting the original lead until all fuel injectors are tested. A short circuit will cause non-alternation of current on the fuel injector system.
Lack of current pulsing results in non-pulse of the injectors. Replace any fuel injector that results in a short circuit of the electrical leads. Fuel injectors can get dirty and cause an idle issue.
A dirty fuel injector does not atomize fuel like a clean one. As a result it can cause inconsistent fuel delivery which can upset the idle speed. This is difficult to check for.
If I suspect dirty fuel injectors I hook them up to my fuel injector cleaning kit and clean them out. Do you all think the TBI could be the cause for too much fuel being sprayed at idle. Maybe the return spring in the injector is weak.
FYI items replaced or checked. Another common problem with fuel injectors is the buildup of fuel varnish deposits in the nozzle that restrict fuel flow or disrupt the injectors spray pattern. On many late-model engines the shape and direction of the spray pattern is critical for clean combustion and good performance.
Plenty of gas came out of the fuel regulator. My guess is for some reason the injectors are not working. The only thing I can think of is there is a safety that the bike wont start if it doesnt see any oil pressure but it has plenty of oil.
Cant find any disconnected wires or hoses and checked all the fuses. The ECM supplies ground to the injectorsYou should have power at the injector at all times. A noid light will let you know if you have the available pulse to turn on the injector.
If you have fuel pressure that is most likely not your issue. It is odd that all injectors are not working most times we see just one fail causing a misfire. If a fuel injector is badly corroded or is jammed in the open position fuel will constantly be spraying into the engine causing your RPMs to fluctuate when the car is at idle or with a constant load.
If the fuel injector is not delivering enough fuel to the engine system this can cause the car to struggle when trying to turn over or not turn over at all just cranks with no result. This can also cause the engine to stall due to the air-fuel ratio not being correct. Lean misfires can cause newer systems OBDII to read a misfire code or multiple codes depending on the effected injectors.
Sometimes Fuel Injectors Clog and it does not take much for this to happen. Restrictions in the 8 to 10 range can cause a misfire or other classic symptoms of the injectors failing. If your cars idle noise has changed and feels rougher the fuel injectors may not be delivering fuel as they should.
As with misfiring this is normally down to the injector nozzles being clogged with particles which interfere with the atomisation and spray of the fuel. However fuel injectors can become dirty and fail to create a fine spray. They can also wear out and the enlarged hole in the nozzle will start to drip.
A fuel injector is a precision device that must be in perfect working condition to provide the proper fuelair mixture. The reasons fuel injectors fail vary but here are five of the most common problems with fuel injectors. An abrupt loss of engine power is a somewhat obvious sign of a fuel injector failure.
If the fuel injector is clogged the fuel supply will be irregular too. When the fuel level fluctuates drastically the high and low rpms will cause the.