Question about 2001 Ford Focus
You might try the the fuel pump relay switch. This can cause all of the things you are mentioning.
Posted on Apr 22, 2014
Testimonial: "I read if the relay switch isn't working then the car wont drive ? My daughter has been driving it. I am her mom and know nothing about cars, just googling everything lol"
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Posted on Jan 02, 2017
SOURCE: 99 5.4 Expedition issues
P0401 - EGR Flow Insufficient Detected
The EGR system is monitored during steady state
driving conditions while the EGR is commanded on. The test fails when the signal
from the DPF EGR sensor indicates that EGR flow is less than the desired
P1299 - Cylinder Head Over Temperature Protection Active Indicates an engine overheat condition was detected by the cylinder head temperature (CHT) sensor. An FMEM Strategy called Fail-safe Cooling was activated to cool the engine.
P0300 - Random Misfire The random misfire DTC indicates multiple cylinders are misfiring or the PCM cannot identify which cylinder is misfiring.
P0443 - EVAP Control System Canister Purge Valve Circuit Malfunction The PCM monitors the EVAP canister purge valve circuit for an electrical failure. The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified purge duty cycle by PCM command.
P1451 - EVAP Control System Canister Vent Solenoid Circuit Malfunction Monitors the canister vent (CV) solenoid circuit for an electrical failure. The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified canister vent duty cycle by PCM command.
P1309 - Misfire Monitor Disabled When the misfire monitor is disabled, usually due to the input signal generated by the camshaft position (CMP) sensor, by sensing the passage of teeth from the CMP wheel.
with the codes you have here I would look in the direction of the egr valve first because that will cause the bucking and stalling, and the misfires, but so will the canister vent solonoid. the misfire codes and the cylinder overtemp code could be from overheating or because if the misfires.
Posted on Aug 02, 2009
Sounds alot like the ignition sensor. In my old Chevys it was under the dist cap, mounted on the dist itself. Mine was flat, slightly curved rectangle shape, with two flat prongs coming out both sides. If it would get an internal break in it, you cant see it. I would have the same problem as you, part was only about $12. And comes out with unscrewing two screws.
Might want to give it a shot.
Posted on Sep 21, 2009
The problem with your van is the CAM Sensor, I believe the noise you are hearing is kind of a chirping sound. I just had mine fixed (12/19/09) it was about $150 for parts and labor from a local Mech. not a dealer.
Posted on Dec 21, 2009
If it is not turning the check engine light on it won't be a sensor causing it.
So you need to go back to basics,Have you replaced the fuel filter lately?
it also sounds like some moisture in the fuel system,beyond that check plugs and coil.
Posted on Dec 25, 2009
You will need to figure out if you have spark to the plugs, and if not- if you have voltage to the coil to proceed.
Posted on Aug 04, 2012
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