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fuel pressure regulator, or clog due to poor fuel, and check injectors
Intank fuel pump and/or airflow meter also break system check valve.
check the fuses and change the fuel pump relay first in the fuse box behind the front ash tray goggle Volvo relays to see it. and fuel cleaner in the fuel tank.
There is a vacuum controlled pressure regulator on the fuel rail. Check for vacuum leaks. If the unit is faulty, it will often leak fuel into the vacuum line.
Need to check fuel pressure with a gauge first. Then check fuel pressure regulator. Need to check fuel pressure with a gauge first. Then check fuel pressure regulator. Need to check fuel pressure with a gauge first. Then check fuel pressure regulator. Need to check fuel pressure with a gauge first. Then check fuel pressure regulator.
Start with diagnosing the cause of no fuel. Check fuse, fuel pump relay, fuel filter, fuel pressure, fuel pressure regulator, fuel gpm flow, damaged/pinched fuel lines. Once you have determined the cause you can fix it.
Clogged injectors, if it is a fuel related problem. determine if its caurberated or injected and either way,check fuel pressure from pump. If fuel pressure is o.k. check the fuel pump relay. If relay is o.k. check the distributor igniter . If your fuel pressure is not o.k. replace fuel pump.
it should be about 70 psi....and should remain like that for as long as possible after turning off engine - days even if all is OK
first do a fuel pressure test also check fuel filter, fuel pressure regulator , injectors primary and secondary.look for external leaks specially the notorious fuel line under the intake manifold. and also if u have a good quality fuel.
3.2 bar or about 39 PSI
The fuel pressure gauge will help you check the fuel pressure in a 1997 Sunfire. When the pressure is low their is a repair manual which advises on what steps to take.
You will need a fuel pressure gauge.