Originally Posted by willwren
Note to all 87-94 OBD1 Bonnie owners!!!
Not ALL fault codes will generate a Check Engine light!
Codes that do not throw a warning light:
17- Spark reference circuit
23- IAT low temp (throws this if it'* disconnected!)
25- IAT High temp (throws this if it'* shorted!)
31- prndl input circuit
36- Trans shift problem
38- Brake input circuit
39-Torque Converter Clutch problem
61-65 - all Cruise control codes
66- Low AC refrigerant
67- Cruise control
68- Another cruise control
69- Another AC fault
99- power management
So you see, boys and girls, you can have alot wrong with the old bucket of bolts and not know it if you don't read the codes!
alright, me again
over the weekend, it stalled again, twice in a row, while i was driving it ...going about 20 miles an hour.....after I started the second time, it seemed that my muffler broke (really super loud) ...so I took it to midas real fast and just asked them..they told me my catalyc (sp) converter busted, rusted out ...so i took it home and my husband checked it out and it wasnt that at all, it just fell apart (something like that) so he fixed it..needless to say, i HATE midas for lying and tryin to get a quick buck off me....but anyways, that day (saturday) he did the diag test and came up with code 17...now in yer post you said "Codes that do not throw a warning light:
17- Spark reference circuit"
So what does this code actually mean? This is the first code that ever came up for him (my husband did what you guys said bout the paper clip)
thanx alot for anyone who replys