Question About My 1990 Toyota Pickup Failed Emissions On High No

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92 Toyota Corolla Has High NOx Emissions…

Asked on Aug 19, 2010 Unfortunately, I learned this during a vehicle inspection whereas it failed the emissions portion of the test. HC and CO were low... no check engine light... cat is new (old had NO catalyst element inside)... new secondary ignition... new distributor assy (pick-up coil broke apart and the ... Read more

1996 Toyota Avalon Knock Sensor

Asked on Jul 12, 2010 My beaterific 1996 Toyota Avalon has failed emissions testing. It has recently undergone mass-air-flow sensor replacement along with plugs and wires, but the technicain at the garage seemed to indicate that the code shows a bad knock sensor. It's $670 to replace and the ... Read more

2006 Impala SS Failed Emissions OBD P0521

Asked on Jul 2, 2010 Hello, hope I can get some help here. My car just failed emissions because the check engine light was on.. I got the code P0521 which I looked up and it states: Category Powertrain Definition Engine Oil Pressure Sensor/Switch Range/Performance Anyone know what could be causing this? The ... Read more

1990 Toyota Pickup Question

Asked on Aug 31, 2010 I have a v-6 3.0 L and I'm curious how much I should pay for a used front axle assembly, I can get one for 75 it sounds pretty good to me any ideas? ... Read more

AHHHH I Failed Ontario Emission Test

Asked on May 13, 2010 I have a 1993 Toyota Pickup, 22RE I4 engine with EFI. 300Km...Good compression,no oil burning, 5 speed manual. FAILED HC Test limit 66ppm reading 209....PASSED HC Curb Idle Test limit 200/ 129 FAILED CO% limit 0.37 reading 8.34.........PASSED CO% Curb idle limit1.00/0.18 PASSED NO limit 968 reading 36................N/A RPM ... Read more

1996 Subaru Impreza 2.2l Failed Emissions Because Of A Knock Sensor. Where Is The Sensor Located

Asked on Jul 31, 2010 1996 subaru impreza 2.2l failed emissions because of a knock sensor. Where is the sensor located? ... Read more

Is A Knock Sensor An Emission Related Repair

Asked on May 15, 2010 I have to spend atleast $450 in emissions related repairs in the state of Maryland in order to qualify for a waiver. I ran the computer diagnostic test which says my 2 oxygen sensors have failed and my knock sensor. Thats $450+. I know the oxygen ... Read more