Mass Air Flow or EGR valve????????
06-25-2006, 10:34 AM
#1
Junior Member
Thread Starter
Join Date: Jun 2006
Location: Aurora, Colorado
Posts: 44
Likes: 0
Received 0 Likes
on
0 Posts
Car: 88' Chevy. Camaro Iroc-Z
Engine: 305
Transmission: Manual 5-speed
Mass Air Flow or EGR valve????????
Recently just started having problems with my 88' 305 iroc-Z. Was running fine until i filled it with a full tank of gas the other day then started to crap out. (used 85). Pulled up some codes off of the engine and got two MAF codes but also got 2 EGR valve codes? Alot of people have told me that the EGR replacement will help with the MAF but not sure. Dont get the EGR until this thursday any suggestions on what i can do>?
06-25-2006, 10:57 AM
#2
Member
Join Date: May 2006
Location: New Jersey
Posts: 111
Likes: 0
Received 0 Likes
on
0 Posts
Car: 88 Firebird
Engine: 5.0 ltr
Transmission: 4L60
Axle/Gears: 10bolt 3.23's I think
when is it running rough.. just at idle or all the time.. egr will effect idle mostly but will have little effect when running at highway speeds.. maf will have effect on the whole range.. you can try to tap the maf ( tap ) with the handle of a screwdriver.. if idle changes you have you problem...
06-25-2006, 11:04 AM
#3
Junior Member
Thread Starter
Join Date: Jun 2006
Location: Aurora, Colorado
Posts: 44
Likes: 0
Received 0 Likes
on
0 Posts
Car: 88' Chevy. Camaro Iroc-Z
Engine: 305
Transmission: Manual 5-speed
tried tapping on the MAF didnt do anything. Idle is at a constant 750 now car is odd days on and off? Still is running very rich though which i dont understand and lagss when i try and give it gas when driving and lags a little in neutral.
06-25-2006, 11:10 AM
#4
Banned
Join Date: Jun 2006
Location: Sherman, Tx - N. of Dallas
Posts: 499
Likes: 0
Received 0 Likes
on
0 Posts
Car: Blue 89' RS
Engine: 5.7L
Transmission: 700r4
Axle/Gears: 3.42
Trace all of your vacuum and small vacuum lines (small are by the EGR Valve) and make sure they are all *snug* and not corroded -- take it off and put it back on. I had a similar experience where the car would die constantly, run funny, and have weird problems and i smelled something weird too.
Guess what it was?
It was a rubber connector to the end of a small vacuum line -- it was a 50 cents repair!
So, take the end off of something, check it for clog, put it back on.
Or if you want to be thorough... get a can of air, take a tube off and spray the air through -- if it goes through, good... if not, well you found a problem.
ScottieB
Guess what it was?
It was a rubber connector to the end of a small vacuum line -- it was a 50 cents repair!
So, take the end off of something, check it for clog, put it back on.
Or if you want to be thorough... get a can of air, take a tube off and spray the air through -- if it goes through, good... if not, well you found a problem.
ScottieB
06-25-2006, 11:21 AM
#5
Junior Member
Thread Starter
Join Date: Jun 2006
Location: Aurora, Colorado
Posts: 44
Likes: 0
Received 0 Likes
on
0 Posts
Car: 88' Chevy. Camaro Iroc-Z
Engine: 305
Transmission: Manual 5-speed
got three codes now. tried the lines back from the egr they are all good. Car only has 70k on it. getting a code 23 (MAT/TPS/Mc/IAT low) and then the code 32 which is egr, 33 code is MAF? Also a coulpe days ago i got a code 36 which is a maf burnoff circuit problem,.
06-26-2006, 06:42 PM
#7
Senior Member
iTrader: (2)
Join Date: Jun 2005
Location: Adrian, Mi
Posts: 813
Likes: 0
Received 0 Likes
on
0 Posts
Car: 1989 Camaro
Engine: 350 but it's torn down right now.
Transmission: 700r4
Axle/Gears: I'm working on it,lol.
Why don't you try some octane boost and see if that helps. Your motor might not like cheap old 85 in the hot and humid summertime.
Thread
Thread Starter
Forum
Replies
Last Post
eightsixseven
Tech / General Engine
1
08-14-2015 03:09 PM
