Mazda b2300 headers?
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Mazda b2300 headers?
Let me start this post by stating that I am not automotively skilled.
My son has a deposit with a dealer on a 1997 Mazda b2300 with 53,000 original miles. The truck is very nice and has a clean CarFax history. On our last inspection at the dealer, I noticed that the exhaust manifold was of a "pipe" construction not "cast" as I would have expected. My understanding is that there are sensors on the exhaust that help control the emissions. If these sensors are missing or bypassed, what would be the consequence?
On the test drive, the truck ran very well and consequently, my son has decided to buy it. Should I have some concerns about this or am I over-reacting?
Thanks for any help or responses.
Paul
My son has a deposit with a dealer on a 1997 Mazda b2300 with 53,000 original miles. The truck is very nice and has a clean CarFax history. On our last inspection at the dealer, I noticed that the exhaust manifold was of a "pipe" construction not "cast" as I would have expected. My understanding is that there are sensors on the exhaust that help control the emissions. If these sensors are missing or bypassed, what would be the consequence?
On the test drive, the truck ran very well and consequently, my son has decided to buy it. Should I have some concerns about this or am I over-reacting?
Thanks for any help or responses.
Paul
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From: Durant, OK (SOSU)
The oxygen (O2) sensors on the exhaust can lean or enrich the mixture as necessary to control emissions. They can be bypassed, however, there is little point. You will need them to effectively control the engine and ensure it's running correctly. If you get aftermarket headers, they may have ports for the O2 sensors (I believe all emissions legal ones will), or you may add your own ports.
RP
Zach
RP
Zach
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A lot of the aftermarket headers are emissions legal, and have pervisions for the o2 sensor if it's applicable. If something is a miss it will throw a cell (check engine light). To be sure, have the computer scanned for any stored codes. If I'm not mistaken, the 4 cylinder had a tubular exhaust manifold from the factory. Can anyone else confirm this?
Posting Guru
Joined: Jul 2003
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From: Alvin, Texas.
From about 1992 to 2001.5, the Lima 2.X equipped trucks had a factory shorty header installed on them.
Everything should be fine in this case.
Everything should be fine in this case.
Last edited by AlfredB1979; May 21, 2006 at 06:32 PM.
6th Gear
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Factory headers
A lot of the aftermarket headers are emissions legal, and have pervisions for the o2 sensor if it's applicable. If something is a miss it will throw a cell (check engine light). To be sure, have the computer scanned for any stored codes. If I'm not mistaken, the 4 cylinder had a tubular exhaust manifold from the factory. Can anyone else confirm this?
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