From: franz fripplfrappl on 20 Apr 2008 15:12 2003 Highlander with 51,000 miles. Both Check Engine and VSC lights are on. Manuals says take to Toyota dealer. Meanwhile OK to drive. I have tried the ABS system on loose gravel and the brakes feel and sound like they are functioning OK. Any ideas what might be causing the lights to go on? I have had the vehicle for a week. No idea of age of battery or service record.
From: Jeff Strickland on 20 Apr 2008 15:24 "franz fripplfrappl" <bogus(a)bogus.net> wrote in message news:yAMOj.4541$vF.3871(a)newssvr21.news.prodigy.net... > 2003 Highlander with 51,000 miles. > > Both Check Engine and VSC lights are on. Manuals says take to Toyota > dealer. Meanwhile OK to drive. > > I have tried the ABS system on loose gravel and the brakes feel and sound > like they are functioning OK. > > Any ideas what might be causing the lights to go on? I have had the > vehicle for a week. No idea of age of battery or service record. > Visit your local AutoZone store, where they (or you) pull the check codes for free. You can't do anything until you know what the codes are. If you drive the car, you can check the codes in the parking lot. If you elect to not drive the car, they will sell you the scan tool on your credit card, then give you full credit for the purchase when you bring the tool back. There is a data port along the bottom of the dash board in the general vicinity of where your left leg rests as you drive. Plug the scan tool in, set the ignition to ON but not START, and read the code(s). Jot it(them) down and and post here. You should expect the codes to be P0nnn (where the 0 is the numeral zero).
From: franz fripplfrappl on 20 Apr 2008 16:19 Update: Had engine codes read: P0441 Evap Emission Control System Purge Flow Fault P0446 Evap Emission Control System Vent Circuit Malfunction P0441 as above P0442 Evap Emission Control System .... leak (small) P0446 as above
From: franz fripplfrappl on 20 Apr 2008 16:26 On Sun, 20 Apr 2008 20:19:27 +0000, franz fripplfrappl wrote: > Update: > > Had engine codes read: > > P0441 > Evap Emission Control System > Purge Flow Fault > > P0446 > Evap Emission Control System > Vent Circuit Malfunction > > P0441 > as above > > P0442 > Evap Emission Control System > ... leak (small) > > P0446 > as above After finding out the codes, we reset the codes via an option on the reader. Both check engine and VSC lights are out for the moment. I checked to make sure the gas cap is on tight. Have also checked the hoses coming from the air cleaner housing. Any other suggestions?
From: Jeff Strickland on 20 Apr 2008 16:35 These faults have the easiest roots in a loose gas cap. They could be more serious, but before you spend any time or money on anything, erase all faults and be sure to seal the gas cap after every fill up. The second most common fault is a break in a vac line, followed by an actual problem with a system component. The evap emissions control system (fumes from the gas tank) are the result of a poorly seated gas cap more often than not. The system must be sealed to function properly, and the most common break in the seal is the gas cap. There can be other causes, to be sure, but until the gas cap is isolated, I'd not spend any time or money on any of them. I suggest erasing all codes and waiting to see if any of them return. In the mean time make sure you seal the gas cap every time you fill the tank. If the cap has a ratchet when it locks, be sure to set the ratchet 3 or 4 clicks. None of these deal with the VSC. "franz fripplfrappl" <bogus(a)bogus.net> wrote in message news:jzNOj.4960$iK6.4873(a)nlpi069.nbdc.sbc.com... > Update: > > Had engine codes read: > > P0441 > Evap Emission Control System > Purge Flow Fault > > P0446 > Evap Emission Control System > Vent Circuit Malfunction > > P0441 > as above > > P0442 > Evap Emission Control System > ... leak (small) > > P0446 > as above
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