Hi Joe:
Yikes, first time failed smog! I'm informed allowable values are reduced & we compared it to my '08 report. '08 max HC was 110 @ 15mph & 85 @ 25mph; I tested 23 & 10. '08 CO max was .71 & .59 & I tested .01 & .16. But today max HC is 77 & 69, but I tested high @ 85 & 69. CO max now is .50 & .41, but I tested .67 & .69. Those so far off I'm wondering what happened! My C02 is 14.8 & 14.7, 02 is 0 & 0; My NO is 373 @ 15mph & 54 @ 25mph.
A few months ago had car down to Lou's in LA & he performance-tuned it using my ScanMaster & driving around, but last night I changed chip for one ought to pass (I don't know if that way of tuning changes the reg. street chip or not, so replaced chip & reduced FP to 37 lbs).
I am terrible at the electronics end of these cars ('87 GN) but think it must be the tune. Unfortunately there are no Fresno shops specializing these type cars. Dearly need your kind input as what happening here & direction to fix it. Thanks......Ray.