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How to fix code p0452 on 2005 Explorer

Put a new gas cap and fuel pressure sensor New plugs and wires cleaned fuel sys

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  • Ford Master
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Trouble Code: P0452

FTP Sensor Circuit Low Input

Possible Causes:


FTP sensor signal circuit is open or the ground circuit is open.FTP sensor signal circuit is shorted to VREF (5v).FTP sensor is damaged or the PCM has failed.Now you have to figure out what FTP is.Trouble Code: P0453

FTP Sensor Circuit High Input

Possible Causes:


FTP sensor signal circuit is open or the ground circuit is openFTP sensor signal circuit is shorted to VREF (5v)FTP sensor is damaged or the PCM has failed.Here's a link.

Posted on Jan 01, 2013

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SOURCE: fluttering

Replace Oxygen sensor that will fix the problem

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SOURCE: 1999 Yukon cold start problems.

1999 Yukon Start Issue - I have replaced the octopuse, battery, fuel filter, fuel pump, still having problems starting in cold weather, sometimes after a heavy rain.

Any suggestions?

Thanks

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SOURCE: 1989 toyota 22re pickup lopes at idle and

Its possible you have a faulty EGR valve or PCV valve.

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check to see if plug wires are cracked or burnt threw from laying on exhaust manifold

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SOURCE: 03 grand caravan ex 3.8. check engine light - code

Customer Concern: MIL on and code P0456 for a leak in the evaporative system. How to test the Leak Detection Pump (LDP). Tests/Procedures: 1. With the engine running, connect a test light to the Violet/White wire at the LDP. The test light should light.

2. Ground the center wire at the LDP. The test light should go out. This is the intake stroke of the pump. The LDP pulls in fresh air when the center wire is grounded with a vacuum supply to the LDP.

3. Remove the ground from the center wire and the test light should light up again. The pump has just pumped air into the evaporative system. The test light lights up when the diaphragm is in the down position.

4. To test the LDP for leaks, cap off the port that goes to the canister or to the vent valve. This is the port that is slightly above the bottom port that goes to the vent filter.

5. Now try to cycle the LDP again by grounding the center wire. The test light will still go out but now when the ground is removed from the center wire, the test light should remain out for at least 20 seconds if the LDP is good. Potential Causes: Leak Detection Pump (LDP)
Vent Valve

Posted on Oct 16, 2009

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1 Answer

My 2001 saturn is trying to turn over and start but wont check engine light code p0452


P0452 Saturn Fuel Tank Pressure Sensor Circuit Low Voltage
"P0452 - Evaporative Emission Control System Pressure Sensor Low Input. Evaporative Emission Control System Pressure Sensor Low Input indicates a low voltage problem in the Fuel Tankicon1.png Pressure Sensor (FTPS). What the fuel FTP sensor does is convert fuel tank absolute pressure into electrical signals and inputs the signal to the ECM/PCM, (Computer).
First thing to do is make sure the gas cap is good and tightened properly. Then check the vacuumicon1.png lines and wiring at the FTPS (Location-Fuel Tank) to be sure they are good, clean and tight.
Barring a wiringicon1.png problem it can be a bad FTPS or PCM.
"
I copied this blog on the code p0452. So, check gas cap, check vacuum lines from fuel tank and trace the lines making sure there is no break. check wire plug on the fuel tank pressure sensor.

May 16, 2014 | Cars & Trucks

1 Answer

Have 2000 Oldsmobile bravado, engine will not start unless I pour a little gas in engine. engine will then start up good and restart as long as it does not sit more than a few minutes. Also code tester...


I would verify that the catalytic converter is not plugged or the muffler. If one of the two gets plugged it will put back pressure on the engine and not allow fuel into the cyl. to be fired and car will not run. You can also pull a couple of the new plugs and see if they have fuel to them or if you have an 02 sensor ahead of the cat you can remove it and see if car will start if so the exhaust sys. has one or the other plugged. Understand it will run rough but it should start. In addition, did you check the fuel pump pressure and did you change the fuel filter.

May 23, 2017 | 2000 Oldsmobile Bravada

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Fuel pressure regulator can it stop your car from starting


fuel lines hook up backwards problem solved...

Dec 31, 2012 | 1990 Chevrolet Corvette

2 Answers

My 2001 catera out of the blue stopped running. I changed the crank shaft position sensor . I have been told it could be the gas cap preventing it from starting. the code P0455 comes up


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P0450 Evap Emission Ctrl Sys Pres Sensor Error
P0451- Evap Emission Ctrl Sys Pres Sensor Range/Perf
P0452- Evap Emission Ctrl Sys Pres Sensor Lo Input
P0453- Evap Emission Ctrl Sys Pres Sensor Hi Input
P0454 Evap Emission Ctrl Sys Pres Sensor Interm
P0455- Evap Emission Ctrl Sys Gross Leak Detected
P0456- Evap Emission Ctrl Sys Very Small LeakDetected)
P0457 Evap Emission Ctrl Sys Leak (fuel cap loose/off)
P0458 Evaporative Emission Sys Purge Ctrl Valve Circ Low
P0459 Evaporative Emission Sys Purge Ctrl Valve CircHigh
P0460- Fuel Tank Level Indicator Circ Error
P0461- Fuel Level Sensor Circ Range/Per

P2408 Fuel Cap Sensor/Switch Circ
P2409 Fuel Cap Sensor/Switch Circ Range/Perf
P2410 Fuel Cap Sensor/Switch Circ Low
P2411 Fuel Cap Sensor/Switch Circ High
P2412 Fuel Cap Sensor/Switch Circ Interm/Erratic

Sep 17, 2012 | 2000 Cadillac Catera

3 Answers

CAR STARTS THEN DIES OUT, WHEN IT IS RUNNING WHEN YOU GIVE IT GAS QUITS RUNNING. CHANGED FUEL FILTER AND AIR FILTER HAVE A HALF A TANK OF GAS


you could have a bad MAF sensor...try unplugging it and driving it around and see what happens. also make sure airfilter is clean. check fuel pressure if above does not work! the fuel cut valve may be the culprit. if it is the maf sensor, you can go to any auto parts store and buy a can of maf sensor spray to clean it. just follow directions on can. do not hit center of maf sensor with the straw on spray can, for these buggers cost over 100.00 new. unless you get one from e-bay or a junk yard. good-day! and check all vacuum lines good.

Aug 22, 2011 | 1993 Subaru Impreza

1 Answer

Hi 1989 celebrity 2.8 started to chug a little at first put new plugs ,wires, idle silinoid , new coil packs what next ?died in front of the house smells like lots of gas oh one plug looks like new maybe...


SOUND LIKE FAULTY FUEL PRESSURE REGULATOR OR LEAKING FUEL INJECTORS.CHECK FOR LEAKING FUEL INJECTORS.HOOK FUEL PRESSURE TESTER TO TEST PORT WHICH IS THE SCRADER VALVE.WHEN YOU TURN IGNITION TO THE ON POSITION ENGINE OFF.FUEL PRESSURE ON FUEL PRESSURE GAUGE SHOULD HOLD STEADY 40 - 46 PSI. IF FUEL PRESSURE BLEEDS OFF SLOWLY YOU HAVE LEAKING CLOGGED DIRTY FUEL INJECTORS. COULD BE FAULTY CRANKSHAFT POSITION SENSOR. CODE SCAN CAR FIRST TO SEE WHAT FAULT CODE COMES UP BEFORE BUYING NEW PARTS.

May 28, 2011 | 1988 Chevrolet Celebrity

5 Answers

I am having hesitation when start of acceleration. Already changed plugs, fuel filter


I had the same problem. New plugs, wires, fuel filter, air filter, MASS airflow sensor cleaned and still it would hesitate. It seemed to get worse when warm. Sunday I fixed the problem. Take the distributor cap and rotor off. Under the rotor there is a metal plate held on by two screws. Take the plate off, this will expose the optical Cam sensor. I took a can of MASS airflow cleaner (Plastic safe)(can buy at advanced auto parts) and sprayed heavily. Once it was dry I put it all back together and it runs like new.

Feb 10, 2010 | 1995 Mercury Villager

3 Answers

Fluttering


sounds like bad controller.

Jul 09, 2008 | 1991 Honda Accord

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