My dealer told me that if you fill up beyond the first "click" of the gas pump it will mess up the sensor in the gas tank. It might fix it's self eventually, but can be avoided if you anly fill the tank up to that "click".
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indicates 2 possible faults
1-- fuel tank not venting making for a vacuum that is preventing fuel flow
2--- electronic component overheating and failing
get the fault codes read as that component could be
Amazing.....At this very moment in time.....my 2000 silhouette is doing the same thing....if you were unaware.....ventures Montana's and silhouette are from the same mold. Very similar in all aspects. My diagnostics have got to the fuel pump part of suspects....but I have already checked filter, relays, fuses and ignition electronics....my latest suspect is the pressure sensor that monitors the pressure of the gas tank....there is also a pressure sensor on the injector rail I'm suspicious of. I'm going to find out how to place each sensor in "okay ....fuel pump turn on and pump fuel to the throttle body" to check them. In my case....I don't smell any gas after turning the engine over....trying to start it.....sometimes for over an hour....never any gas smell....so I suspect fuel delivery is the problem. The fuel pump has several sensors that control whether or not it needs to run....and pump gas. I can hear my fuel pump run for 2 or3 seconds when I turn the ignition to the on or start positions.testing all of those sensors is my plan of action for this 3 day weekend. Your on track with your work and suspicion of the position sensors......vacuum leaks will follow the sensor checks. Vacuum leaks could cause a couple of sensors to fail too.....I dropped my fuel tank last weekend....and found the fuel pump to be in working condition.....I removed my fuel filter and punched a hole through it for free flow.....to eliminate it from the list...after checking the vacuum angle....I will move to the electronics side.....with the ignition switch first and the transmission position indicator switch following.....I've plugged my trouble code reader in and didn't get any indication of any failed electronic devices......my problem and your problem seem to be very similar, except that I am doing all of my work on the van myself. I will try to keep you informed of my diagnostics through fix it.it would be nice to know how yours is advancing too.....there are a few directions you can progress into.....hope one solves your problem....if not.....there will be more ideas to come....until I solve my problem....good luck to. Us both and onward we go......Nick.ps couldn't spell or grammar check because I'm using my phone to compose....and the typing pad covers the entirescript being typed. Sorry for any problems. Associated
indicates a low fuel pressure problem
random misfires are predominately fuel pressure related rather the electronic
check pump operation , pressure regulator, filter , and EVAP for not venting the fuel tanl
Let me understand that the problem is intermittent and engine is cranking but not started.
For that being said, there are 2 main things to check.
1-The start is not on since there is not fuel delivered to the Fuel distribution. Fuel pump is controlled by the pump relay. But the pump relay is activated by the a fuel pump control module which is an electronics integrated module. This is the one gives unstable condition.
2- The start is not on since there is no electric signal to deliver to the primary coil. And this one is controlled by the ignition module. This is an integrated electronic module can give unstable condition.
The last thing to check is the Crank shaft sensor condition since it has to give the signal for the above 2 things to work. Good luck
The maintenance service indicator shows the maintenance service type (letters A-H) in the multifunction display. This service type is only to give the customer an approximate time required to perform the required maintenance ranging from approximately one hour for Service A to approximately eight hours for Service H.
To determine the actual service items required, you must call up the service item menu in the multifunction display. Refer to instruction below.
Calling up the maintenance service data information
The maintenance service indicator shows the maintenance service type (letters A-H) in the multifunction display approximately one month before the service appointment is due in miles (distance criterion) or in days (time criterion).
This maintenance service type is based on the service items to be carried out. The service items are described in the Maintenance Booklet.
The service items to be carried out under the corresponding service type can be displayed in the multifunction display
example Service "D" on my 2005 E320 4MATIC at 12,000 miles.