Run fault codes and look for a problem with the canister purge valve / solenoid. Check for correct venting of the tank as it appears that you have a vacuum being created in the tank that is preventing the pump pumping the fuel through.
Fuel hose that gos to fuel pump in tank has a
split/crack in it, so when it gets to half a tank
its sucking air not gas. An cars run off gas
SOURCE: where is connection for 2000 diagnostic equipment vw polo
I beleive the location of the obd connector is behind a plastic cover either above or below ashtray hope its right
SOURCE: vw polo car wont start
try disconecting the coolant temp sensor and then try, it may be faulty, also check the hall sender unit in the distributor, if it has one, the centre pin should be the signal wire if no pulse is present the sensor is faulty
SOURCE: where is the crash fuel shutoff in a vw polo year 2000 situated?
Do you hear the fuel pump? if you do then the cutoff switch is set. you need to make sure the fuel lines are ok no bends
SOURCE: 1993 VW Cabriolet Fuel pump or Injector problem?
Hi. This is more of a fuel filter issue than a pump issue although, a bad fuel filter will eventually destroy a fuel pump. When the filter is restricted or clogged, this will tend to work the pump harder than normal. this will over heat the pump, therefore, shortening its life span. I recommend replacing the fuel pump and filter and, adding a fuel additive like techtron fuel injector cleaner/water remover as well.
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