My VW bora just cut off on me and wont start back. the car is tumbling fine so the Battery and starter is good. What could be the problem?
Country: Trinidad and TobagoMake: VolkswagenModel: BoraYear: 2005Engine: 1.6se
I took out what i think are the 2 gas lines from the injector housing and when i turn on the ignition no fuel comes out of them. Someone said it could be the fuel pump in the tank or the knock sensor
Hi, my name is XXXXXX XXX I am at your service to assist with your VW problems. Welcome at Just Answer.I doubt whether the knock sensor would cause this behavior as its function is to pick up the knocking created when the timing of the engine is out. This sensor will then send a signal to the computer to adjust the timing.When you crank the engine observe the rev. counter needle. If it picks up slightly while you crank the engine the crank shaft sensor and cam shaft sensor should be alright, as the engine speed registers revolutions. This should also indicate that there is spark ignition in the engine. However, the ignition coil might be faulty but, the fact that you say there is no fuel leads me to suspect the fuel pump fuse or relay. (There is even a possibility of the pump itself malfunctioning.)The simplest would be to check the fuse and relay first. When you switch on the ignition do you hear the fuel pump doing an initial pressurization of 2-3 seconds? If it does not, check the fuse first. First inspect it visually to see that it is not blown. You will find the fuse box on the driver's side of the dashboard fuse #28 is the fuel pump fuse. This is a 15 amp fuse. To test whether there is current passing on this fuse, or whether the fuse is blown, use a multi meter set to volts, with the positive probe on the fuse opening, and the negative probe to a good earth on the body. The current flowing should read battery voltage. If this is not the case the fault is with either the alarm or the fuel pump relay. The relay is mounted on the multi relay holder near the fuse box, it is the one with among others, the red and yellow wire. To check whether the relay is functioning: there should be current, reading battery voltage, on this red and yellow wire when the car is cranked. If this is not the case, replace the relay, but before doing so have the alarm system checked at the Dealers. Many times the car's immobilizer switches off the fuel pump and causes this type of problem.Should you require further assistance do not hesitate to ask.Regards, Martin.