badAzz383LT1

K I recently have had some issues with my engine. It was running fine, well sorta, a lot better then it was before I hd it shipped over to Germany. It ran smooth and then started acting up. I heard my lifters out of adjustment and ever since I adjusted them, she smells like she is running extremely rich. She idles very rough now, and you can smell gas unburnt but no lean or rich condition codes are coming up. I replaced my O2 sensors and the EGR solenoid cause it was giving me a 27 code, but after replacing the part the code is still there even after clearing the codes out. What could be causing that solenoid to keep giving the code and what would be making her idle so rough. I mean it shakes my shifter something bad and idles just around 900-950 most the time. When your accelrating you can feel her being sluggish too like she is trying to fight to push the car or not burn all the fuel right. I have a manual so it usual idled around 700-800 on a good day. It was rebuilt to a 383 and idled lower before I adjusted the vavles. Could the vavles being out by just a bit be causing this? Or does this sound like a broken lifter? I really need to fix this problem cause it's getting so annoying.

wolfepack95

mine wasn't giving a code but i could smell raw fuel at the back of the car. Then after a long trip it just shut down and lost power .When it cooled off and sat for a few hours it ran fine for about 50 miles then started losing power again till it just wouldnt go anymore. Turned out the cataylic converter went bad. it made the manifolds cherry red so look at yours at night and see if they are starting to glow. Just a thought.

DetroitGuy83

Yes, a clogged up caty will cause problems because it's restricting the exhaust from making it to the muffler. I had an old Firebird that wouldn't even start because the caty was so clogged up.

If your state doesn't have emission tests, then cut it off! Or, you could take it off, and then gut everything out of it and put it back on.

Injuneer

Appears you are using the wrong DTC code list. While DTC 27 is for the EGR solenoid on the 94/95 models, that is not what its for on a 93. Check Shoebox's code list, and you will see a separate column off to the right that shows the function of Quad Driver #2, which is what DTC 27 represents in a 93.

http://shbox.com/1/Dtcs.htm

In your 93, the EGR is driven off Quad Driver #1, and that sets DTC 26. Not sure why you would have replaced the O2 sensors with either of those codes showing up???

badAzz383LT1

I replaced my O2 sensors cause they were original and I didn't want to take the chance of them being a problem. My mechanic never replaced any of my sensors or anything on my engine so I wanted to jsut make sure they were good and new. they had almost 190K miles on them so I figured it was about time. Thanx for the link to code list. I coulda swore the codes I looked up were for the 93. I'll have to go check it again.

badAzz383LT1

Quad-Driver Module (QDM) #2 circuit
applies to:
- 4L60 TCC control and temp switches
or
-T56 reverse lockout

Ok I think im confused... What part is this refering to that is bad? I dunno what exactly it means so I dunno where to check.

badAzz383LT1

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