Auto Repair: General Motors OBD-1 Trouble Code Tutorial

[Vacmasterthegreat]

should pulling the ecm fuses(I have an a and b) reset all dashboard lights? my brake light has been on for the longest time and there is nothing wrong with my brakes(I have completely gone through them). what kind of sensors are there for that light that i can unplug? It's a 1991 sonoma.

[mapleblackdrums]

would this 0bd 1 be good on a GEO?

[tilou32]

i dont have the B terminal on my cutlass95 and my grand prix94

[tucsonautodetailing]

nice video.. really like it!

[mikedsm12]

i love how he doesnt say to re-insert the ecm fuse back into the car after resetting it hahah

[whiskee100]

would this fix over reeving?

[rayheatherg]

hey i got a 95 gmc suburban flashing a 35 code anyone know what that is ??????????????????

[deathFROMabov82]

@rayheatherg according to my book code 35 is the idle air control valve

[OBERTROP]

check ecm functioning or not?

[fradkhan]

hey i got a 2005 c220 cdi i got one trouble code showing up on my screen when i attach a scanner can u tell me what does it mean.

code number 2359-1 Check sytem charge,pressure control,charge pressure is too low?

[JONWAYNE63]

need help with 97 cavalear timeing

[FloridaBiker]

I bought a new GM Vehicle.

Engine knocks, transmission slips, it has electrical shorts and most important GM REFUSES to honor the warranty!

[Myke3295]

My worst Nightmare

[srsairbags]

could be a lot of things . . . (mostly sensors) . . i am also having an intermittant starting problem on my car . . i think its the MAP sensor . . . .

[Sonny91601]

where do you get the code key

[dalet63]

use a paperclip

[kermitefrog64]

I wonder how you would diagnos why the general radiator fan and a/c fan would not work on a 1990 Chevy Lumina. Both relay switches are functioning but neither fan will turn on. The a/c fan should turn on the minute the a/c is turned on but it won't. A week ago the water boiled in the overflow container and the general radiator fan would not come on. Generally speaking the engine stays cool enough because I do not do enough stop and go driving in town and I have kept the a/c off when ideling.

[srsairbags]

i have a 91 lumina euro . . . my a/c does not work . . . but teh primary fan turns on when the engine reaches half+ mark in the temp gauge . . (225F) . . . i have neve seen the secondary fan turn on yet . . . i guess you may need to check the PCM/ECM . . .

[kermitefrog64]

Thank you for the reply. I was able to by pass the relay switches and discovered that the fan has gone out on the primary and the a/c fan is heading that way. It was buzzing and when I moved the fan it started to turn slowly at first and then after a time started to pick up speed. I am replacing the fan motors. I also had a question on what would cause the engine to surge after warm up. It is especially noticed when stopped at a stop light. The check engine light does not come on.

[srsairbags]

ok . . it turns out that this could be either

1) TCC solenoid

2) IGN module

3) ECM

4) Injectors out of spec

if the car is stalling after coming to a stop, it could be the TCC sol, if you have spark, but are missing injector pulse, have the IGN module checked at autozone . . . . also remove plenum and ohm all the injkectors . . .

[trceb]

THANK YOU!

[JLSTHERAT]

Man!! is that so easy,, If I knew that i could saved 300$