Question about 2001 Cadillac Sts

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I have a couple codes P0335,P0385,P0171,P0174. My car idles rough, when at stop lights car dies but starts backup. Car runs great down the road

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Resolve trouble codes and try again, if car runs ok no problem if not, write again.

Posted on Jul 16, 2009

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2 Answers

2004 freestar dies when stopped and has codes p0171 and p0174 what could it be?


P0171 system too lean bank 1
P0174 system too lean bank 2

You aren't getting enough fuel to keep car running and the system shuts car down

Oct 06, 2016 | 2004 Ford Freestar

1 Answer

WHAT CAN I DO TO FIX MY AUTO HAVE CODES P0171 P0174 01000 P2195 P2197 WHAT ARE THE CODES.


P0171 & P0174 are lean codes.this can be cause by a vacuum leak. One of the symptoms is a ruff idle when cold.

You can listen for it or you can have it smoke checked by a shop. Most common causes are intake plenum gaskets and rotted PVC hoses.

Feb 18, 2015 | 2004 Lincoln LS

1 Answer

Engine runs rough


fix the first two
clear the codes see what is left

P0340 Camshaft Position Sensor Circuit Malfunction

P0171 02 sensor
System Too Lean (Bank 1)

if no better . these are unusual codes

P0106 Manifold Absolute Pressure/Barometric Pressure Circuit Range/Performance Problem

P0304 Cylinder 4 Misfire Detected

P0219 Engine Over Speed Condition

fault code source


Complete List of OBD Codes Generic OBD2 OBDII Manufacturer Car OBD...

Mar 23, 2017 | Cars & Trucks

2 Answers

Engine runs rough


yea that's a electronic problem its probably a sensor

Feb 16, 2014 | Ford Cars & Trucks

1 Answer

Engine running rough all of the sudden


Try Maf sensor,(Mass air flow)
Then try tps sensor, (throttle position sensor)
Unable to answer exactly without looking up codes

Feb 16, 2014 | Cars & Trucks

1 Answer

2003 Chevrolet Impala ls 3.8l. "Hello, I have an


P0171 and P0174 are lean codes. There is likely a large vacuum leak or the MAF is bad.

Try starting the car and wiggling the connector for the MAF sensor. Also try tapping the MAF sensor. If the idle changes or the car stalls replace the MAF sensor.

The second shop should recognize that these codes don't have anything to do with the ignition module.

Apr 04, 2013 | Cars & Trucks

1 Answer

Codes- P0171, P0174, P2106, P0351, P0355 and P061C the car is a 2006 ford five hundred. The car runs good at times. any suggestions?


P0171 System too Lean (Bank 1)
P0174 System too Lean (Bank 2)
P2106 Throttle Actuator Control System - Forced Limited Power
P0355 Ignition Coil "F" Primary/Secondary Circuit
May be your car run normally now, but you must check and repair the fault in advance.
____________
MaxiDiag Elite MD802

Mar 21, 2013 | 2006 Ford Five Hundred

1 Answer

P0174 and rough idle 6 cy 96 contour


id check for vacumn leaks first,check the fuel pressure should be around 45 lbs ,check and replace your plugs ,don't forget the fuel filter

Mar 19, 2013 | Ford Contour Cars & Trucks

1 Answer

My cadillac deville has the following engine codes when hooed up: P0106, P0121, P0171, P0174, P0335, P0340, P0385, P0442, P0506, P0506, P0507, P0601.


click on the below links for code details.
P0106

P0121

P0171

P0174


P0335


P0340

P0385

P0442

P0506

P0507

P0601.

all of the above codes seem to have a common cause, they all list a bad ecm (computer) as being a cause, and the last code P0601 points specifically to a bad computer. sorry for the bad news, hope this helps.

Dec 06, 2009 | 2000 Cadillac DeVille

1 Answer

2005 Ford Taurus SE 3.0L V6 OBD Codes P0171 and P0174


The P0420 code is a Catalytic converter efficiency code check the compression.Swap the #1 injector to a different location to see if the code follows.Test the coilpak. A cracked exhaust manifold is the most likely cause p0171 and 0174 Induction air leaks, vacuum or some kind fuel restriction, weak fuel pump, restricted fuel filter etc.You also could have an exhaust leak near the upstream o2 sensor. If youtake it in they will probably use smoke to find out where the leak is.

Apr 22, 2009 | 2001 Ford Taurus

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