Question about 2000 Ford Taurus

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Secondary fuel pump is going out what do i have to fix

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How do I check the voltage where is the wire

Posted on Feb 20, 2013

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Your 2000 Ford. only has one fuel pump, no secondary, if no fuel pump pressure, check fuse, if fuse good, check voltage at fuel pump connector, fuel pump sit in gas tank, check voltage there, will only have voltage for 3 -5 seconds, every time the key is cycle, from on to off, if you have voltage there, bad fuel pump, fuel tank will have to come off, to replace fuel pump.

Posted on Sep 01, 2010

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I replaced my secondary air check valve on my 2001 chevy tahoe but code 1416 still comes up. what else can i check


here is what i found on p1416.



P1416 Chevrolet
P1416 Chevrolet - Secondary Air Injection System Bank 2
Possible causes
- Faulty Secondary Air Injection (AIR) pump
- Secondary Air Injection check valve bank 2
- Secondary Air Injection (AIR) pump electrical circuit fault
- Blocked Secondary Air Injection (AIR) system

When is the code detected?

The P1416 code is set when no O2 sensor voltage change is detected by the Engine Control Module (ECM).


Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)


P1416 Chevrolet Description
An Secondary Air Injection (AIR) pump is used on this vehicle to lower tail pipe emissions on start-up. The PCM supplies a ground to the AIR pump relay, which energizes the AIR pump. The Powertrain Control Module (PCM) monitors the HO2S voltages to diagnose the AIR system. During the AIR test the PCM activates the AIR pump during closed loop operation. When the AIR is activated, the PCM monitors the HO2S voltages and short term fuel trim values for both banks of the engine. If the AIR system is operating properly, the HO2S voltages should go low and the short term fuel trim should go high.

Jan 23, 2014 | 2001 Chevrolet Tahoe

1 Answer

What does it means p2258 code for 2003 Ford Focus , Smog test Failed


P2258 Secondary Air Injection System Control A Circuit High

http://www.motorcraftservice.com/vdi...f/OBDSM505.pdf

Secondary air systems typically utilize an electric air pump as well as one or two electrically controlled check valves to deliver air into the exhaust manifold.

The only vehicle which uses secondary air is the 2.3L PZEV Focus. The Focus uses a system with ported air. This means that airflow is delivered to each individual exhaust port. The secondary air pump is energized soon after start-up while the fuel system is in open loop and icing conditions are not likely. After the O2 sensors warm up, the secondary air pump continues to be energized while the fuel system goes into closed loop fuel. The secondary air system continues to run in closed loop fuel until the air pump is de-energized. The typical time period in which the AIR pump is energized is approximately 12 seconds.

The AIR pump flow check monitors the HO2S signal at idle to determine if secondary air is being delivered into the exhaust system. The air/fuel ratio is commanded open-loop rich, the AIR pump is turned on and the time required for the HO2S signal to go lean is monitored. If the HO2S signal does not go lean within the allowable time limit, a low/no flow malfunction is indicated. (P0411)

The electric air pump draws high current and must be energized through a separate relay. Both the primary and secondary circuits are checked for opens and shorts. First, the output driver within the PCM (primary circuit) is checked for circuit continuity (P0412). This circuit energizes the relay and the vacuum-operated check and control valve(s). Next, a feedback circuit from the secondary side of the relay to the PCM is used to check secondary circuit continuity (P2257, P2258).

Nov 22, 2013 | Cars & Trucks

1 Answer

How you fix a p1237 error code


Fuel Pump Secondary Circuit Malfunction

Trouble Code Conditions:
Key on or engine running; and the PCM received a signal from the FPDM that it had detected a fault in the fuel pump secondary circuit.

Possible Causes:

  • FP PWR circuit is open or shorted
  • FPDM fuel pump return circuit is open
  • Fuel pump windings are open or shorted, or the rotor is locked
  • FPDM is damaged
Best course of action is to shoot wires with a meter....if you can't do it, take it to a mechanic with this info and it'll cut down on the cost of troubleshooting this.

Jan 19, 2011 | 2000 Ford Taurus

1 Answer

HOW I CAN KNOW WHICH PUMP GOES ON MY SATURN VUE PRIMARY OR SECONDARY IS 3.0 ENGINE


The primary fuel pump is located in the left side of the tank. If you fill the tank up and it still does not start then it is the primary tank. Problem is that now you will have to drop the tank with a full tank of gas. The primary pump is used to pump the fuel to the fuel rail, while the secondary pump is used to pump fuel from the right side of the tank to the left side. I usually replace both primary and secondary so I don't have to pull the tank again if the secondary is also bad.

Are you sure you have a fuel pump problem? What are your symptoms?

May 28, 2010 | 2002 Saturn VUE

2 Answers

Obd code of p0411 on a 1999 ford mustang 3.8 v-6 what do I check to correct


That's s failure of the secondary air pump. It'll have to be changed. It's an emissions component meant to help with cold start emissions. It won't cause engine running trouble but at inspection time you'll fail for smog. Change it before then and you'll be fine.

May 16, 2010 | 1999 Ford Mustang Cobra

1 Answer

Obd 1 code 543. how to fix? 1994 ford explorer limited


543 Ford Fuel pump secondary circuit faultit's a code for the fuel pump secondary curcuit. you may need a fuel pump relay or a fuel pump. also check the fuel pump shutoff switch. you also didnt mention an issue if any your having because of this

Nov 16, 2009 | 1994 Ford Explorer Limited

2 Answers

2000 Ford Taurus Flex Fuel V6. Check engine light is on shows code P1237, car runs fine starts fine.


your code is or the following. Fuel Pump Secondary Circuit Malfunction. This may involve removing your gas tank to fix. Go to the parts store and they can get you the parts you need and let you know for sure.

Jun 29, 2009 | 2000 Ford Taurus

1 Answer

Losing fuel


CHECK THE TORQUE ON THE FUEL FILTER CAP ON THE TOP OF THE ENGINE. SEE IF THE RUBBER O-RING IS INTACT. IF THAT CHECKS OUT THEN LOOK AT THE FUEL LINE GOING TO THE BOTTOM OF THE BOWL AT THE FILTER BASE. HOPE THIS HELPS. KEEP ME POSTED PLEASE. THANKS FOR USING FIX-YA. AND THANK YOU IN ADVANCE FOR AN HONEST RATING. BEST OF LUCK.

May 09, 2009 | 2006 Ford F 350 Super Duty

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