2001 Hyundai Accent

HAILEYSMOMMY

MEMBER
2001 HYUNDAI ACCENT

2001 Hyundai Accent Automatic

my check engine light came on and I ran a code reader through and it gave me these codes P0441, P0442 and P0722 I know one has to do with the speed control sensor could you tell me whats going on?

Monday, March 23rd, 2009 AT 8:16 PM

5 Replies

JACOBANDNICKOLAS

MECHANIC
109,640 POSTS

P0442 = Evaporative emission (EVAP) system - small leak detected Hose connection(s), intake leak, EVAP canister, EVAP canister purge valve. This can likely be rectified by checking the gas cap and tightening it down. After you've done that, reset the light and see if it comes back.

PO722 (Pulse Generator)no voltage signal from output speed shift sensor)

PO441 purge control valve

There seems to ba a small leak in the EVAP system. I recommend that you have the system flogged to locate it. It could be a gas cap, purg valve.

AS far as the output speed sensor, are you having driveability problems?

Joe

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Tuesday, March 24th, 2009 AT 8:06 AM

HAILEYSMOMMY

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11 POSTS

Im still able to drive the car but it seems it takes a little more time to shift into gear and I was told from a friend of mine that the speed control sensor lets the transmition know when to shift into gear

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Tuesday, March 24th, 2009 AT 9:17 AM

JACOBANDNICKOLAS

MECHANIC
109,640 POSTS

Hi:
The speed sensor does that and shift solenoids initiate the shift. Either one could cause it. THe problem, which is it. WIthout a code from the computer identifying the problem, it is a guessing game.

As far as the Evap system, the car will continue to run fine with a small leak. The problem is, it won't pass emissions inspection.

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Tuesday, March 24th, 2009 AT 12:08 PM

HAILEYSMOMMY