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Assuming you mean P0171, it is a lean condition Bank 1. If the engine is running okay I would look for a vacuum leak around the engine, maybe a vacuum hose disconnected or cracked. If the engine is running poorly it could be a plugged fuel filter, a faulty fuel pressure regulator or a faulty fuel pump.
What else can I help you with?
What causes the knock sensor code?
what causes the knock sensor code on a 2002 Kia Spectra. Thank You sreddish@neo.rr.com
98 Chevy Venture Engine dies or tries to die after it has been driven for about an hour Code P131 and P171 once it has cooled down it runs fine until it has been driven about hr short trips are fine?
Probably oxygen sensors, catalytic converter, or gas cap needs tightened.
What causes code p0730 on Isuzu?
Trouble code P0730 means:Incorrect gear ratio
Where causes a p0740 code?
Trouble code P0740 means:Torque converter clutch circuit malfunction
What are causes of reduction of power in 2007 dodge sprinter?
If the check engine light is on, the computer has detected a malfunction and set a code. You will need to have the code scanned to know possible causes.If the check engine light is on, the computer has detected a malfunction and set a code. You will need to have the code scanned to know possible causes.
How do you fix code p0700?
P0700 is transmission code present. The PCM sets this code when there is a code in the TCM. You will need to have the TCM checked to know it's code and possible causes.
What causes Mercedes code P0173?
Trouble code P0173 means: Fuel Trim (Bank 2)
What causes mitshubishi code p0173?
Trouble code P0173 means:Fuel trim malfunction (Bank 2)
What causes obd II code P1611?
That is a code for a problem in the theft alarm or chipped key system.
What causes Code P1693?
Trouble code P1693 means: A companion DTC was set in both the ECM and PCM
In your 2001 Ford Escort the check engine light came on P 171 and fuel filter was changed as well a vacuum leak was fixed and a tuneup done but for the third time light and code came on what to do?
Changed the pcv valve. It fixed my p171 code on my 2001 escort. Have to get the PVC valve from the ford place. They are the only one that carry the right one. PCV valve is available at AutoZone part # PCV 1001 for 2001 Escort SOHC 2.0L
What is likely cause of Ford code 1405?
There are several possible causes of a Ford code 1405. Some of the causes could be DPFE sensor harness short, plugged EGR tube, and or a faulty DPFE.
