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I previously posted my 2005 Ford Escape Hybrid had a code P0190 . I bought a scan tool and actually have two codes (P0191 and P1237).

At the same time codes appeared, I started getting an intermittent purge type sound and vibration from under the vehicle. It is most prominent near the fuel filter under the drivers side. Starts after vehicle is warmed up and gets worse and more frequent as time goes on. Happens when engine is on, car in park or in gear, car.

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William Harvey

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P1237
- Fuel Pump Secondary Circuit (Fuel Pump Driver Module)
p0191
- Low or no fuel
- High fuel pressure
- Low fuel pressure
- Faulty Rail Pressure (FRP) Sensor
- FRP harness is open or shorted
- FRP circuit poor electrical connection
- Faulty Fuel Pump
- Vacuum leaks

Posted on Apr 25, 2014

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2 Answers

Purge canister location 97 chevrolet venture


Visit the on-line store, know as reliable-store, they have the repair manuals. I'm sure you will get the solution of your problem.
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Jul 31, 2016 | Chevrolet Cars & Trucks

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Have replaced 2 solenoids near engine, is there a 3rd underneath car?


There is a vent solenoid under the vehicle near the gas tank on the evaporator canister or charcoal canister An your replaced one near the engine you didn't need to. Only 1 on or near engine ( purge solenoid ) But there is also the possability the gas cap leaks , the fuel filler neck is rusted somewhere , or one of the hoses as a pin hole . You could replace all the solenoids an still have the code come back. The best way to trouble shoot these type problems is hook up a smoke machine an smoke the system . Your best bet would be to take your vehicle to a qualified repair shop. I mean unless you like spending money needlessly .
DTC P0442 Evaporative Emission (EVAP) System Small Leak Detected.To aid in locating intermittent leaks, use the J 41413 EVAP Pressure and Purge Station to pressurize the EVAP system. Move all EVAP components while testing with the J 41416 Ultrasonic Leak Detector.

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2006 trailblazer factory installed DVD has sound but no screen. The screen intermittently comes on, it stays on once it works but if we turn the vehicle off, we get the intermittent behavior. Has an


the factory dvd decks are designed to disable the dash display when the car is running, to negate distracted driving. the factory wires the rear seat dvd displays only to work when car is running, and the dash to work only when the car is either acc, or, possibly, in park.

if the dash is intermittent, and, especially, if the dash display has some dvd video while running(or, more dangerously, when in drive) then a previous owner likely tried to bypass this safety feature by crossing wires under the dash, and did a poor job.



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. the hallmark of this problem would be if you were to hold a flashlight to the screen, and see a faint display,- simply lacking the florescent back-lighting.

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1 Answer

My 2005 Ford Escape Hybrid has a code P0190 for high fuel rail pressure.


dear,
this code is related to fuel pressure.
check for air vaccum leaks if the fuel sensor is fixed on teh rail.
if not it should be fixed or integrated in the fuel pump so check it there.the sound generated there it is the pipes vibration.

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2003 F350 6L Diesel, 6 speed manual transmission. Vibration/noise right front when under medium to heavy acceleration, vibration/noise becomes very prominent starting at 1900 rpm in all gears (still can...


Rob, assuming this is a 4X4? Sounds like a bearing. They can vibrate, snap, clunk, all kinds of terrible noises or vibrations.
Axle u joints will also do this. Is it all wheel drive?

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I have an intermittent rumbling noise under the hood in a 1996 Thunderbird 4.6L.


Most likely the valve train

Timing Chain Guides or Cam Actuators

When you don't change oil every 4,000
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1 Answer

What is code pd1441


The pd means the code is pending, (or intermittent, stored code). Here is what the code means----this DTC indicates that an evap system purge flow was seen by the vehicles PCM ( computer ) during a non purge condition.
Simply put the EVAP purge valve was open when it should not have been. Likely a mechanical failure of the purge valve.
This repair should not be too expensive .

Oct 19, 2012 | 2003 Oldsmobile Alero

1 Answer

93 honda accord wont start check engine light blinks rapidly


was there a solution to this one? my 93 accord lx is having the same trouble except it wont start at all now. ive got gas and spark and will crank but not start. wont throw a trouble code either just get the flashing CEL and clicking from control box which stops when the egr purge connector is opened. does anyone know the sequece of the egr/evap system. seems like something is getting hung up there. thanks

Jul 09, 2012 | Cars & Trucks

3 Answers

Code 449? what is this,anyone. tks


Code po449 is for bad  solenoid vent valve.After replacing the valve  check for the   12 volts at the "pink" wire.
This error relates too 

The PCM has determined that a malfunction exists in the electrical circuit for the vent valve/solenoid in the evaporative emission control system.

Definition:
EVAP (Evaporative Emission System) purge/vent solenoid circuit condition

Explanation:
The solenoids and system wiring are monitored for opens or shorts

Probable Causes
1- Purge or vent solenoids defective.
2- Check connector and wiring.
3- Fuel saturated vapor canister.
4- Failed EVAP vent solenoid.


 --------

The cost of the vent solenoid valve is near to 30 bucks. And the valve is located near the gas tank.

Thanks. you can rate this solution and show your appreciation.

May 20, 2010 | 2005 Chevrolet Silverado

1 Answer

Check engine code 1441 came on my '03 cavalier what is it?


Hope this helps,

Trouble Code: P1441 (2.2L L4 VIN F Auto)
EVAP System Flow During Non-Purge Print this code dataprint_icon_codes.gif
Number of Trips to Set Code: 2
OBD II Monitor Type: CCM Details
Indicators: MIL Details
Trouble Code Conditions:
DTC P0107, P0108, P0112, P0113, P0117, P0118, P0121-P0123, P0125, P0440, P0442, P0443, P0446, P0449, P0452, P0453, P1106, P1107, P1111, P1112, P1114, P1115, P1121 and P1122 not set, engine started, vehicle speed less than 75 mph, system voltage over 10.0v, ECT and IAT sensors from 39-86ºF and within 16ºF at startup, BARO sensor over 75 kPa, fuel level from 15-85%, PCM detected a continuous open purge flow condition with the fuel tank pressure decreasing to less than -11" H2O during the test. The PCM seals the EVAP system by commanding the EVAP Purge valve "off" and the EVAP Canister Vent valve "on". The PCM monitors the fuel tank pressure (FTP) sensor to detect if a vacuum is being drawn on the EVAP system. If vacuum in the EVAP system is more than a set value for a certain time, this code is set.

Possible Causes:
  • An improperly installed or damaged EVAP canister purge valve
  • A temporary blockage in the EVAP canister purge valve, purge pipe, or EVAP canister could cause an intermittent condition
  • FTP sensor is out-of-calibration, damaged or "skewed"
  • Purge solenoid valve is damaged or has failed
  • PCM has failed
  • TSB 02-06-04-046 contains a repair procedure for this code

Jan 19, 2010 | 2003 Chevrolet Cavalier

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