??? I couldn't pass my emisions test for my windshield sticker because I have codes: P0102, P0340, P0441. I don't know how to fix them. It's a 1997 Chevy Silverado 350 5.7L Vortec (L31).
Also said Catalyst-Not Ready. 02 sens-not ready. 02 Sens HTR-not ready. EGR Sys-not ready. I cleared the P0441 code using (OBD-2.com) VPW device but I wanna know how to really fix these. HELP PLEASE!!! <img border="0" alt="[Banging Head]" title="" src="graemlins/gr_banghead.gif" />

 

Help!

 

P 0102 maf sensor, check your fuses first, is the ses light always on? cannont clear it? P0340 had the distubutor out ? intake gasket job recently? This is the 8th vin digit R motor correct? It will not pass the readiness tests until you fix the ses light.

 

OK I fixed the P0102. Fixed the P0441. But still dont know how to fix P0340. Havent move distributer. Intake gasket job? Is this the Intake Manifold you are talking about? if so, never. It is the VIN R.

 

You should go to autozone or the like & get the troubleshooting chart for P 0340 (cam sensor not seen)& chase it down that way. If it turn the light on all the time it is a current / always present problem. There is alot to this code & the proper diagnostics lititure will point you the right way. Good luck!

 

I think autozone is a bunch of crab when it comes to computers. They just hooked it up to a code reader and he searched the computer for a Cam Pos Sens and he said my truck is not equiped with one and they dont have a such thing for sale. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" /> They dont know. The only place I found a CPSens was at carparts.com for about $25 Im gonna order one from there see how it looks like. chances are what ever it is im gonna have to change it. I still have the 02 sens problems