1991 190E 2.6l check engine light, cannot collect codes?
 

Car has 106K ACTUAL miles. I am trouble shooting this car, it had a had starting issues which was a blown fuse in the OVP and I also replaced voltage regulator that was worn. Now car starts and runs fine, well not fine, still has a lumpy idle. It appears the voltage regulator cleared the abs light but now I have a cel and my on board will not return any codes, not even a single blink for all clear. Any ideas?????

I should throw in that my SRS light is on as well. Is this a seat belt latch?????

TIA

OK I had the air intake temp sensor unplugged, got it back in and reset the light via battery disconnect and all is well, passed smog. Still a lump in the idle but otherwise its a runner!!!!!