While driving down the road hit a small bump and my van died it cranks over, and the fuel pump kicks on but wont start!!!! changed the fuel filter but was not the problem what would cause this?
Check the fuel pressure
SOURCE: no power when hit the gas
The fuel presure should be at least 60- 66 psi key on engine off, and then drop some when started, if it doesn't go any higher than 50 psi that would explain your backfire concern. If it is low then the fuel pump is weak. I have also seen soot on the little wires inside the Mass Airflow Sensor cause a concern like this.
SOURCE: 95 gmc safari replaced fuel filter van ran great now wont start
Since you replaced the distributor, are you sure it's properly timed? Hook up timing light and try to crank. It should show you where your timing mark is. It will also verify that you are getting spark.
You need to start a systematic check. Is it electrical, mechanical, fuel related? Need to do more checking and maybe we can get that puppy going.
Good Luck
SOURCE: 99 gmc safari van,wont start,no fuel pressure to the filter
Do you hear pump cycle (hum) when you turn key to on position?
Take air intake hose of front of throttle body & spray WD-40 inside throttle body with plate open for a couple of seconds, then see if it will start & run for a second or 2. If it fires up for a short time, it is fuel related problem. Perhaps autoparts store lends or rents fuel pressure gauges, which will confirm if pump is working or not.
SOURCE: 95 gmc safari problems
yes delivers the fuel bat is not enaf pressure replase fue pomp end you be ruaning agein
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