...bad pump or fuel pressure regulator. With bad mpg I would think a bad regulator. You can do a quick check on the regulator by removing the vacuum hose and looking for signs of gas in the hose.
Question about Chevrolet Uplander
...gas doesn't mean it is at the exact pressure it should be? Most fuel pumps have a psi of 40 to 45 psi, your fuel pump could be pumping at 25 psi or less which is not enough to start your car even ...
Question about Cars & Trucks
...gas rail. What next? The presence of fuel isn't enough. Fuel must be delivered in sufficient quantity at a sufficient pressure and this can only be checked with a fuel pressure test and a volume ...
2002 Chevy Tahoe dies while driving It dies while driving when you try to accelerate fast. It starts to pick up speed but then dies. It will start right back up if you turn ignition off then turn it ...
...into your crankcase. If the problem is the latter, you fix the problem then change oil and filter as many times as necessary to get rid of the gas. Check the fuel pressure regulator and vac
Question about Chevrolet Uplander
...gas and it wont go over 20mph. I have to slowly accerate to get up to speed. Was told fuel pressure test was at 50psi and 54psi when throttling. Catalytic converter tested OK. Last error code says ...
...if the starter is gone check to make sure your getting gas at the engine at the right pressure, check all fuse and relays, check to make sure the fuel pump is coming on, check the crank position ...
Question about Chevrolet Uplander
...gas pedal you hear can hear 1 click and immediately following you see the rpms go down slightly i dont think it affects how the car drives but i know that that problem isn't normal any helpful advise ...
Question about Chevrolet Uplander
...check for evidence of gas there. There should be no gas in the vacuum line, but if there is, it is a failed regulator. If the gas is coming from where the regulator sits, the o-ring is probably bad. ...
Question about Chevrolet Uplander
...gas into intake an it starts but not on its on Lacking in fuel pump pressure,. It could be a clogged fuel filter, a weak pump that won't allow proper fuel pressure, or an injector circuit problem. To ...
448 questions posted
Usually answered in minutes!
500 Questions
457 Questions
280 Questions
25 Questions
18 Questions