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can running on lo won gas cause p0443-po446-po1453

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Old 05-15-2010, 04:30 PM
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CLK 320 ";)
can running on lo won gas cause p0443-po446-po1453

last night my gas light came on i got gas and drove home and it was all normal. this morning i turn it on and get display defective..

do you believe the low gas of last night would cause these codes to come up

p0443 p0446 p1453?

also i got new brakes less then 7k miles and my brake wear lights come on sometimes.. i look at the pad and it has alot left!
Old 05-16-2010, 11:53 PM
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I am no electrical expert but I highly doubt that having your low fuel light come on would cause a defective display. I believe something else is wrong. Good luck.
Old 05-17-2010, 08:43 AM
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Gas Evap/purge vent valve?
Old 05-17-2010, 08:57 AM
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Originally Posted by BXCLIP
last night my gas light came on i got gas and drove home and it was all normal. this morning i turn it on and get display defective..

do you believe the low gas of last night would cause these codes to come up

p0443 p0446 p1453?

also i got new brakes less then 7k miles and my brake wear lights come on sometimes.. i look at the pad and it has alot left!
As vettdvr mentioned, these are EVAP system codes. Did you fill the gas tank all the way to the top? That is a big no-no for EVAP systems.

The EVAP monitor runs every drive cycle providing the initial conditions are met where one of the conditions is that the fuel tank needs to be within 15-85% full -- anything outside will not allow the monitor to run.

Since EVAP codes typically don't cause driveability problems, you should be able to drive the car to see if they clear on their own -- don't reset them -- let the PCM do its thing and test the EVAP system -- this could take a few days.

Regards,
paul...
Old 05-17-2010, 06:10 PM
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CLK 320 ";)
thanks guys and no i didnt fill to top just half way.

i got my check engine and baseasr light on. but the codes i got are

P0443 Evaporative Emission Control System Purge Control Valve Circuit Malfunction



P0446 Evaporative Emission Control System Vent Control Circuit Malfunction

P1453 Secondary Air Injection Pump Relay Control Circuit Electrical

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