nik1703

If I put my foot down below (roughly) 2000RPM, the car will bog until it hits 2k and then power will pick up again (this is in 1st and 2nd gear - that's all ive tried.)

any ideas? o2 sensors maybe? i dont want to blow money on parts that dont need replacing... so i'd like to narrow it down as much as possible...

thanks guys!

ss.slp.ls1

iTrader: (36)

If you think it's your o2's, disconnect them and drive the car around, see if your hesitation disappears, if it does, then the o2's are bad.

Also clean your MAF, that never hurts.

You might try to get a scanner to read real time data as your symptoms occur.

nik1703

i am super new with LT1's... how many o2 sensors are there and where are they? also where is the MAF? (ive got an aftermarket ramair intake)

ss.slp.ls1

iTrader: (36)

Sorry, my bad, you have a '93, you don't have a MAF.

You have two oxygen sensors, they are located by the headers before the cat. You should have a big flat four-prong connect on each side of the block. Just follow the sensors back until you find the plug. You'll probably have to do it with the car cold.

nik1703

ahhh i see. Okay so lets say i disconnect my O2's and drive around and still have an issue, what next?

ss.slp.ls1

iTrader: (36)

Then that should rule out your o2's.

Does the car backfire when you feel this hesitation?
Any codes?

nik1703

no backfiring and no check engine light...

ss.slp.ls1

iTrader: (36)

I'd still scan it just to be sure.

nik1703

autozone can scan it if im not mistaken? think they'll charge?

redbird93

no they cant charge because they arent trained to diagnose. did you do anything recently to your car or anything happen to make this occur ?

1996firebirdformula

iTrader: (3)

Check the Fuel pressure mine bogged down till 2k rpms when the fuel pump was going out. Was like 90 outside i had the A/C going from stop light and it would bog down till 2k rpms then would go i got it home and later tryed to leave made it to end of the driveway and it died. 30mins later started up like nothing happened.

nik1703

no i havent touched a thing (oil change... thats it)


i dont have a starting/dying problem and it is barely bogging down.. just for a second or two... but how do i check fuel pressure?

http://shbox.com/1/4th_gen_tech2.htm...essure_testing

i looked this up on SHBOX, but its for 94-97, and i have a 93'....