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04 GMC Sierra Codes p0171 and p0174?
Trouble code P0171 means: Fuel Trim System Lean (Bank 1) Trouble code P0174 means: Fuel Trim System Lean (Bank 2)
What are diagnostic codes P0171 and P0174 for a 2001 Cadillac?
Trouble code P0171 means: Fuel Trim System Lean (Bank 1) Trouble code P0174 means: Fuel Trim System Lean (Bank 2)
What does the codes P0171 and P0174 Mean when your engine light is on on my 2003 Ford Windstar?
Trouble code P0171 means: Fuel System Too Lean (Cylinder Bank 1) Trouble code P0174 means: Fuel System Too Lean (Cylinder Bank 2) These 2 codes are common indicators of a well-known failure on the 1999-2003 Windstars. Be sure to review the additional information in the "Related Questions" below...
What do codes p0171 and p0174 mean?
p0171 andpo174 mean that you're car is running lean
What do trouble codes P0172 and P0171 mean on a 2002 ford windstar?
Get a can of mass air flow sensor cleaner and clean the maf sensor
Where do i start with codes for a 2002 ford windstar codes p0136 p0141 p0171 p0174?
I'm not exactly sure about the 136 and 141 codes, but the 171 and 174 are symptomatic of a known problem with Windstar 3.8 litre engines. Those codes combined with rough idle are prime indicators of a leaking upper intake manifold involving worn out "isolator bolts". See "Related Questions" below for more
Trouble codes P0171 and P0174 in a 2000 Chevy blazer?
Lean condition detected on banks 1 & 2 (left and right sides). Most commonly a dirty mass air flow sensor, or possible vacuum leak.
Isuzi rodeo 2001 codes p0171?
Trouble code P0171 means: System Too Lean (Bank 1)
Fault codes 0171 and 0174 Ford Explorer sport?
P0171-system too lean bank 1 and P0174-system too lean bank 2
How do you troubleshoot p1700 p0500 p0171 and p0174 obdII fault codes in a 2000 cadillac catera?
To troubleshoot the P1700, P0500, P0171, and P0174 OBD-II fault codes on a 2000 Cadillac Catera, start by addressing the P0500 code, which indicates a vehicle speed sensor issue; check the sensor and its connections. Next, the P0171 and P0174 codes suggest a lean condition, so inspect the intake system for vacuum leaks, check the mass airflow sensor, and examine fuel delivery components like the fuel pump and filter. For the P1700 code, related to transmission issues, verify the transmission fluid level and condition, and scan for any additional transmission-related codes. Finally, clear the codes and run the vehicle to see if they reappear, confirming the effectiveness of your repairs.
What does computer codes p0171 and p0174 mean for 2002 explorer sport trac?
It means your vehicle is running lean you will need to replace the intake manifold gasket, as it is plastic and the seal wears out.
What would you need to fix if you are receiving Trouble Codes P1507 P0171 and P0174 on a 2000 Ford Windstar 3.8 6 cylinder?
P0171 and P0174 (mixture too lean) is a known design fault. Excessive oil is pulled into the air intake plenum above the engine from the PCV tube, and the accumulated oil causes the seals on the isolator bolts holding the plenum onto the intake manifold to fail and leak. The solution is to replace the isolator bolts (current ones have improved seals), intake/plenum gaskets, and possibly some other vacuum hoses. See Ford TSB 03-16-1. It seems as though your Idle Air Controller isn't responding fast enough. If this isn't working correctly then it can cause the other two codes. See "Related Questions" below for more on the isolator bolts problems, and more importantly, the fix.
