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Same problem....apparently the dash has to be pulled out to replace the $30 part, which according to the local Ford dealership, the total cost will be around $800 (ridiculous).
Someone tell me there's a "shortcut"...some way to replace the sensor without having to pull the dash out....please!!
If there was a shortcut the Ford techs would most certainly be using it. The high labor cost is indicative that there is no short cut. If there was a shorter way Ford would be forcing the techs to use it (IE Warranty), they don't like paying high labor costs either.
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The fuel tank pressure sensor in a 2010 Ford Escape is part of the vehicle's fuel pump assembly. You will find it either inside the tank or mounted to the top of the tank. The P0451 code indicates that the EVAP system pressure sensor is malfunctioning in some way. This code is usually caused by either a bad EVAP pressure sensor, a clogged fuel tank relief valve, EVAP lines, EVAP wiring, or a bad fuel cap. If you have other EVAP related trouble codes, it is recommended to focus on them first and see if it helps remedy this one.
There are multiple names of EVAP sensors. There is an evap sensor on the fuel system and there is an evaporator coil on the at conditioner. The air conditioner is behind the dash, the other is in the engine compartment. If you know the code, post it in the comments.
Is it evap or hvac sensor? evap sensors are located under the vehicle and in the engine compartment. HVAC sensors are located in the dash and on the HVAC box assembly. the dash has to come out to replace some of the hvac sensors depends on which sensor.there are even some hvac sensors in the engine compartment.
If its the push button type of switch, that could be bad. You can buy them off ebay for $30. It could be the switch thats bad, but that also triggers a Transfer Case Control Module, which would be the 2nd thing to look at
I have a 98 Windstar and it would die when pulling up to a stop sign, slowing when coming to a stop or making a slow turn. According to Ford recall 98E03 EMISSIONS RECALL some vehicles may stall during deceleration when coming to a stop, during slow speed parking maneuvers and/or coasting thru slow sweeping turns. This may be caused by the Powertrain Contro lModule (PCM) calibration dropping the rpms too quickly during deceleration. This involves reprograming the PCM. The revised calibration will allow the engine rpms to drop slowly during low speed maneuvers to reduce the possibility of a stall. Call your local FORD dealership (have your VIN handy) and have them check to see if this recall has been performed on your vehicle.
I had the EXACT same problem with my 92 accord about 5 or 6 years ago. I took it to a bunch of different mechanics who couldn't figure it out, so I finally took it to a Honda dealership and they knew exactly what was wrong (apparently it was fairly common in 92 Accords). It had to do with the electrical system, but I don't remember the exact problem as it was some time ago. I would take it to a good Honda dealership and they should be able to take care of it. And FYI, back then it cost about $150-$200 to fix...
If possible can you pull codes? It sounds like it could be a bad Injector driver module. I have seen alot of these do the same thing. Only bad thing the module is very expensive.
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