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popballz Member

Joined: 18 Nov 2007 Posts: 533 Location: Tacoma, WA
1989 Pontiac Firebird
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Posted: Sun Feb 21, 2010 11:29 pm Post subject: New air intake=check engine light? |
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So I built a new air intake, kind of like a cold air intake.
I had the Mass Air Flow Sensor off for like 2 days while I was working on it and naturally, the check engine light was on.
I put it all together today and unplugged the battery to make the check engine light go off, but on the way home from work it came back on.
So my question is, is that since it gets a lot more air now easily, would that make the check engine light come on?? _________________ -Donald
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Mon Feb 22, 2010 12:12 am Post subject: |
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What code?  |
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Dewey316 The Lama

Joined: 08 Jan 2004 Posts: 7295 Location: Bringing the tech
1990 Chevrolet Camaro RS
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Posted: Mon Feb 22, 2010 12:15 am Post subject: |
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| Are you sure it is still the MAF code that the computer is throwing? |
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popballz Member

Joined: 18 Nov 2007 Posts: 533 Location: Tacoma, WA
1989 Pontiac Firebird
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Posted: Mon Feb 22, 2010 9:33 am Post subject: |
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I do not know the code, it was last night at like10
Ill check the code today
I just wanted to know if that was a common occurance[img][/img] _________________ -Donald
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91RSVert Member
Joined: 16 May 2007 Posts: 2736 Location: AR
1991 Chevrolet Camaro RS
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Posted: Mon Feb 22, 2010 10:25 am Post subject: |
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What kind of filter did you install?
Where is the maf located at? Up near filter, mid way, back by engine.
Also, are you sure their are no air leaks after the maf? _________________ 2008 GMC Z71
1991 Camaro RS Vert
1972 Jimmy 4x4
20ft Longhorn Car Hauler
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popballz Member

Joined: 18 Nov 2007 Posts: 533 Location: Tacoma, WA
1989 Pontiac Firebird
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Posted: Mon Feb 22, 2010 4:09 pm Post subject: |
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| 91RSVert wrote: | What kind of filter did you install?
Where is the maf located at? Up near filter, mid way, back by engine.
Also, are you sure their are no air leaks after the maf? |
It is located midway
And it is not glued yet, so I guess there could be a leak but it acts as if the maf is totally unplugged
I also could not get the error code, idk why so I will try again when I get off _________________ -Donald
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Mon Feb 22, 2010 5:55 pm Post subject: |
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Couple of things come to mind without knowing the codes:
1) You have to leave the battery unhooked for awhile to clear the stored codes. I usually leave it for five minutes as a rule of thumb, but a lot of guys leave it longer.
2) Jay touched on this, but I'll clarify. If you installed a shiny new K&N wet with oil, and bombed off down the road, all of the oil will get sucked into your MAF and can foul it. |
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popballz Member

Joined: 18 Nov 2007 Posts: 533 Location: Tacoma, WA
1989 Pontiac Firebird
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Posted: Tue Feb 23, 2010 12:54 pm Post subject: |
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Ok code 34 which is "low voltage (high vacuum) at mass air flow sensor"....
too little resistance??
And bombed down the road, it worked fine till I tryed the freeway and stomped on the gas, then it kind of lost power for a second and the light came on.
How would I go about cleaning a maf?? _________________ -Donald
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Tue Feb 23, 2010 4:37 pm Post subject: |
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| Electronic parts cleaner. Take it out of the car, spray it out from both sides, rinse and repeat. Also make sure the plug is in and snug. |
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83Z28BlackBetty Bam-Ba-Lam

Joined: 13 Mar 2006 Posts: 2083 Location: Aloha
1983 Chevrolet Camaro Z/28
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Posted: Tue Feb 23, 2010 8:22 pm Post subject: |
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Auto Parts stores sell "MAF cleaners" those are very expensive sensors so you want to be very careful cleaning it.
~JAKE _________________ 1983 Z-28 5.7 LT1, T56, Headman headers, BW 9 Bolt Posi Disc, WS6 suspension
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popballz Member

Joined: 18 Nov 2007 Posts: 533 Location: Tacoma, WA
1989 Pontiac Firebird
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Posted: Wed Feb 24, 2010 11:52 am Post subject: |
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Ok! hopefully I will be able to finish it up today!!
Any flaws in my design??
Those zip ties will be gone once this problem is fixed[/img] _________________ -Donald

Last edited by popballz on Wed Feb 24, 2010 2:33 pm; edited 1 time in total |
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d00012 Member

Joined: 12 Apr 2009 Posts: 679 Location: Granite Falls
2007 Pontiac GTA
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Posted: Wed Feb 24, 2010 1:11 pm Post subject: |
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| Maybe make it so it's not offset at the throttle body. Reducing any turbulence is helpful. Maybe minor in this case, but helpful nonetheless. |
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popballz Member

Joined: 18 Nov 2007 Posts: 533 Location: Tacoma, WA
1989 Pontiac Firebird
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Posted: Wed Feb 24, 2010 2:34 pm Post subject: |
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| d00012 wrote: | | Maybe make it so it's not offset at the throttle body. Reducing any turbulence is helpful. Maybe minor in this case, but helpful nonetheless. |
It is like that because the rubber hose thingy is too long, any ideas on something else I could use to connect the PVC pipe to the throttle body?? _________________ -Donald
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Alphius Peanut

Joined: 05 Sep 2006 Posts: 2429 Location: Grand Mound
1984 Chevrolet Camaro Z/28
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Posted: Wed Feb 24, 2010 3:01 pm Post subject: |
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Can't confirm, but I've heard either a 3" or 3.5" silicon coupler will oval out to the right size to clamp on to the TB. Not sure on the size, but one of those is what I remember.
So if you got for instance a 3.5" to 3" coupler (or whatever size your PVC is) it should work. Just experiment with the sizes, cause I'm not sure what sizes you'll need.
_________________ 84 Camaro Z28 - LS1/T56
85 Silverado - Low and Slow |
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popballz Member

Joined: 18 Nov 2007 Posts: 533 Location: Tacoma, WA
1989 Pontiac Firebird
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Posted: Wed Feb 24, 2010 3:42 pm Post subject: |
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I'm guessing that little wire is important....
ok, I know it is important, is it possible to fix?
anyone have one for sale? _________________ -Donald
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Wed Feb 24, 2010 5:28 pm Post subject: |
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Holy zipties batman.
Get some couplers and clamps for that thing.
If you haven't glued up the ABS yet (it's not PVC) go back to Depot and buy a short 90*, looks like a long one in the pics. They should be able to sell you one that has the two bells almost touching each other. That will fix your length problem.  |
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popballz Member

Joined: 18 Nov 2007 Posts: 533 Location: Tacoma, WA
1989 Pontiac Firebird
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Posted: Wed Feb 24, 2010 6:35 pm Post subject: |
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| aaron_sK wrote: | Holy zipties batman.
Get some couplers and clamps for that thing.
If you haven't glued up the ABS yet (it's not PVC) go back to Depot and buy a short 90*, looks like a long one in the pics. They should be able to sell you one that has the two bells almost touching each other. That will fix your length problem.  |
Oh that would be cool ill chech it out once I find a new maf _________________ -Donald
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Wed Feb 24, 2010 6:40 pm Post subject: |
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| Are you sure yours is no good? |
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popballz Member

Joined: 18 Nov 2007 Posts: 533 Location: Tacoma, WA
1989 Pontiac Firebird
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Posted: Wed Feb 24, 2010 9:51 pm Post subject: |
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| aaron_sK wrote: | | Are you sure yours is no good? |
That tiny tiny wire which if I remember right is pretty important is broken.
I was going to try to solder it but then the pliers got stuck and broke it again.
And I just spent $6.99 on "MAF CLEANER" _________________ -Donald
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aaron_sK Member
Joined: 23 Jan 2006 Posts: 8834 Location: Back in beautiful Tacompton
1987 Chevrolet Camaro IROC-Z
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Posted: Wed Feb 24, 2010 9:55 pm Post subject: |
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Uhh... yeah, the wire is kinda sorta important.  |
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