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does that have a MAF sensor , if so try cleaning it , be careful with it and use the right kind of cleaner. An air leak after the MAF can throw it off also.Hope that helps.

I would think it would put extra stress on the water pump bearings.

Give injector connection a call they will help you out . Ask where the injectors come from.I got some Bosch ,at the time they flow matched them withing 5 % I think it was about $368 for 8 at that time. They have been flawless.

a number of yrs ago I built my own cat back system including mufflers from 304 3 in od pipe. Seems a large size pipe creates a resonance and it can get quite annoying at some speeds. keep that in mind when selecting pipe size.

I have never worked on it but have read there are hoses on the fuel pump assembly that can crack and leak.

Didin't see that you checked fuel pressure.Might be a fuel pump or regulator problem.

Something I should have mentioned before, when working on the pass side with plugs . If the 92 is like the 90 10 bolts removes the inner fender. Much easier to get to the plug.

Check out this site. A number of yrs ago I found these people through Corvette action center. They helped me a lot. At the time they took phone calls and gave information. I got some rebuilt injectors from them and It cured my problems at the time. Watch their videos they know fuel injection...

Do you have a stethoscope? check make sure the injectors are actually working on those two cylinders you might be able to check with the screwdriver handle to the ear and blade on the injector. could have broken wires .

if the coils are shorted the ohms would be lower 12 I all are the same could be a diff in ohm meter I would think they should be ok. if they are open with no short there would be a very high reading. Hopefully someone with more injector experience will have a better answer. On my 90 a number of...

did you check the vacuum hose off the fuel pressure reg for gas smell ?

If it actually is a wrist pin noise, the piston will eventually let go. When it does it will destroy the block. My experience has been that a wrist pin noise starts out light and with time gets louder,usually don't just happen. A broken skirt on the piston can make a lot of noise also. I...

you really should have the service manual. Lots of screws to come out vent grills have to come out. If someone had that part scanned on the computer they might send it to you. far to much to try to explain .

have you tried opening the bleeder when it isn't retracted to see if it does ?

the right front retracts ok ? Did you replace the hoses to the calipers they will rupture inside and cause a blockage. I would bet the pads on that side were worn a lot more than the other side. Good indicator.

ACDelco Professional Battery Cables 88865105 - Free Shipping on Orders Over $99 at Summit Racing do a google for it . this is supposed to be the right one . ???

on my 90 I had to remove the slave and tip it to get the air out . the way the slave is mounted in relation to the bleed valve air was staying in the cyl.

the fog lights are wired through the low beam somehow, think the common wire.Seem to be set up so they go off when high been is turned on.Do you have the wiring supplement with your manual? It is pretty complete on the wiring. Make sure you don't have a low beam burned out or a problem with the...

I understand the connectors are priced way to high but might be cheaper than a tune.

I wouldn't remove the EGR they really don't hurt anything as long as they work, actually do more good. Don't think removing air pump will require any tune but egr could set a code