Question about 1998 Saturn SL

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WHAT WORK EMISSION COONTROL - 1998 Saturn SL

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ECM/PCM. engine control module/powertrain control module. Both are the same computer.

Posted on Nov 08, 2014

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Posted on Jan 02, 2017

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Section 03-13: Evaporative Emissions 1995 Town Car, Crown Victoria, Grand Marquis Workshop Manual DESCRIPTION AND OPERATION Evaporative Emission Canister Fuel vapor emitted through the evaporative emission valve (9B593) is stored in two evaporative emissions canisters (EVAP canister) (9D653) . I think you should have 2 engine vacuum lines, one for each canister.


Evaporative Emission Canister Purge Valve
snorkelbobby_88.gif

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Evaporative Emission Tube Shut Off Valve The evaporative emission tube shut off valve (9G332) is located in-line between the evaporative emission valve (9B593) and the evaporative emissions canister (EVAP canister) (9D653) . The evaporative emission tube shut off valve control valve is mounted on the fuel tank (9002) by an integral bracket. The evaporative emission tube shut off valve closes the flow path from the evaporative emission valve to the evaporative emissions canister during refueling to prevent overfilling of the fuel tank .

Evaporative Emission Tube Shut Off Valve snorkelbobby_89.gif

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I have a toyota corolla 2003 and recently went for an emissions test and passed. The day after my emission test, the engine light went on. I tried to unscrew and rescrew the gas tank cap, but it didn't...


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What does po440 on a 2003 saturn vue mean with a service engine soon light on


That is a problem in the evaporative emission control system.
Could be anything causing it
Clogged filter in the charcoal canister
A leak in one of the vacuum lines
The purge valve not working,,,etc.
The best thing is to take it and have it checked out, they might have to do a smoke test to find the problem.
All they do is inject smoke into the system, if there is a leak the smoke will come out of it. All it takes is a pin hole in these emission systems to screw it all up.

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I checked the codes and one comes up its po446. i dont under stand what it mean so i cant fix it to get the light to go out.


P0446 Evaporative Emission System Vent Control Circuit.
The following are descriptions of all Evaporative possible codes:

P0441 Evaporative Emission System Incorrect Purge Flow
P0442 Evaporative Emission System Leak Detected (small leak)
P0443 Evaporative Emission System Purge Control Valve Circuit
P0444 Evaporative Emission System Purge Control Valve Circuit Open
P0445 Evaporative Emission System Purge Control Valve Circuit Shorted
P0446 Evaporative Emission System Vent Control Circuit
P0447 Evaporative Emission System Vent Control Circuit Open
P0448 Evaporative Emission System Vent Control Circuit Shorted
P0449 Evaporative Emission System Vent Valve/Solenoid Circuit
P0450 Evaporative Emission System Pressure Sensor/Switch
P0451 Evaporative Emission System Pressure Sensor/Switch Range/Performance
P0452 Evaporative Emission System Pressure Sensor/Switch Low
P0453 Evaporative Emission System Pressure Sensor/Switch High
P0454 Evaporative Emission System Pressure Sensor/Switch Intermittent
P0455 Evaporative Emission System Leak Detected (large leak)
P0456 Evaporative Emission System Leak Detected (very small leak)
P0457 Evaporative Emission System Leak Detected (fuel cap loose/off)
P0458 Evaporative Emission System Purge Control Valve Circuit Low
P0459 Evaporative Emission System Purge Control Valve Circuit High
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At least the cap isn't loose for the gas tank.

I would clear the code with an OBD-II Scanner 'erase code' button, and see how long it takes for it to come back.

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Cruise coontrol inoperative


check your fuses. If it quit working immediately after the recall work then you need to take it back and make them fix it.

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