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01-27-2013, 09:38 AM
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#1 |
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Newbie
Join Date: Jan 2013
Posts: 3
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need help bad.
97 tacoma 2.4L had codes p0171, p0130, p0133. which all point to the o2 sensor. So changed it and now the truck runs rough, stutters bad on accel, puffs a little black smoke. CEL turned off and my scanner isnt picking up any other issues. I dont see why its doing this after i changer the o2 sensor. Please help! I need to smog so i can get my tags in CA
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01-27-2013, 11:22 AM
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#2 |
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Mambeau / Admin
Join Date: Dec 2003
Location: Off the map
Tacoma: '04 SR ('Mamba'); '01 *DC*SR
Posts: 44,243
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Re: need help bad.
(1) Welcome to CT!
 (2) Did you meant P0141 rather than P0171? P0141 specifically points to the heated 02 sensor heater circuit or the ECM. On the other hand ... P0171 is a general fuel trim malfunction code (system is too lean). The heated O2 sensor is only one of the possible causes for a P0171. The others are: - Air intake (loose hose; leakage) - Fuel line pressure - Blocked injector - Mass air flow (MAF) sensor - Engine coolant temp (ECT) sensor
__________________
"If i saw a old dude with what appeared to be a cat over his mouth driving faster than me I'd stop driving fast." - Firdaddy Line-X, ARE, Recaro, Team Voodoo, Husky, Lund, Optima, OMP, Aesthetic Finishers Inc.,Michelin 
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01-27-2013, 08:20 PM
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#3 |
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Newbie
Join Date: Jan 2013
Posts: 3
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Re: need help bad.
Thanks. I cleaned the maf sensor. Cleaned out all the egr vacuum lines. So truck is running good now. Hope it passes smog now
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01-27-2013, 09:11 PM
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#4 |
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Supporting Vendor
  Join Date: Feb 2003
Location: Southern Maryland USA
Tacoma: 2005 XRunner 422 RWHP
Posts: 6,975
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Re: need help bad.
Did you have a K&N filter installed???
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01-28-2013, 07:53 AM
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#5 |
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Newbie
Join Date: Jan 2013
Posts: 3
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Re: need help bad.
No mods. Completely stock. 130k miles
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01-28-2013, 07:33 PM
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#6 |
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Tacoholic
Join Date: Aug 2005
Location: over the sierra
Tacoma: 97 5 lug
Posts: 1,389
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Re: need help bad.
If the problem happened after the o2 swap id look there first
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