Question about Saturn Ion
Posted by Anonymous on
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Posted on Jan 02, 2017
that means you are driving whit the fuel cap loose or missing or you have a vapor leak on the vapor lines coming from the fuel tank to the engine, have your car inspect for leaks, but make sure to ask your mechanic if he has the smog machine to aply smog to the evaporative system that,s the easiest way to fin a leak,
Posted on May 31, 2008
CODE PO455 EVAPORATIVE EMISSION CONTROL SYSTEM LEAK DETECTED.POSSIBLE CAUSE - CANISTER VENT SOLENOID STUCK OPEN OR.FUEL TANK PRESSURE SENSOR HAS FAILED MECHANICALLY.OR BAD FUEL CAP. CODE PO1400 -DIFFERENTIAL PRESSURE FEED BACK EGR SENSOR CIRCUIT LOW VOLTAGE DETECTED.POSSIBLE CAUSE -DPF EGR SIGNAL CIRCUIT SHORTED TO GROUND OR DPF EGR SIGNAL VREF CIRCUIT OPEN OR DPF EGR SENSOR IS DAMAGED OR HAS FAILED.I WOULD HAVE GARAGE OR DEALERSHIP TO USE THEIR DIAGNOSTIC EQUIPMENT TO CHECK OUT YOUR EMISSION CONTROL SYSTEM.AND EGR VALVE BECAUSE PARTS IS TOO EXPENSIVE TO BUY.IF YOU DONT NEED THEM.SEE YOU CAN REPLACE THE DPF EGR SENSOR AND THE CANISTER VENT SOLENOID.BUT IT COULD BE A LEAKING GAS CAP OR SOMETHING ELSE.SO LET GARAGE CHECK IT OUT.TO BE ON SAFE SIDE.NOW YOU CAN BUY THOSE 2 SENSORS AND IT COULD FIX YOUR RIDE.I KNOW MONEY IS TIGHT ECONOMY IS IN BAD SHAPE.
Posted on Aug 26, 2009
you need a smoke machine to fill evap sysytem and it will leak smoke out where the leak is to many tight places to look without
Posted on Sep 26, 2009
EVAP evaporative emissions systems monitoring
This system includes the on-board refueling vapor recovery (OVRV) system with leak detection (LDP) pump.
The ORVR system filters fuel vapor through the EVAP canister to prevent vapor escaping directly into the atmosphere.
The engine Control Module (ECM) determines when appropriate conditions are met and activates the LDP to pump a small amount of air pressure into the fuel tank and lines. The pump runs until a pre-determined pressure or time is reached. If the system does not hold the pressure, a fault or DTC is stored in the ECM.
The area this is located is behind the right plastic rear wheel liner cover. You will see the fuel filler neck from there and the rest of the EVAP system. Visual check for cracks on all the hoses specially the hose clamps. There are 3 lines connected to the Activated charcoal canister (EVAP canister fastened to body) that are detachable and use O-rings for secured sealing. Check if O-rings, if damaged, replace.
Posted on Apr 20, 2010
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