Richard McCuistian, ASE Certified Master vehicle Technician

Technical Reviewer at

Written through Staff writers - updated on august 24th, 2021

One that the most vital factors that impact engine power is fuel pressure. The fuel rail press sensor is a device that monitors fuel press inside the fuel rail. This information is relayed come the powertrain regulate module (PCM) by way of a voltage signal.

You are watching: 2004 ford explorer fuel rail pressure sensor circuit high input

Fuel rail pressure data is just one of the variables the the PCM supplies to calculation the lot of fuel that requirements to be ceded to the engine. If the PCM receives a signal from the fuel rail push sensor the is abnormally high over a collection period, the P0193 password is set.

You are likely to fail one emissions test if your automobile has code P0193.

What room the typical Symptoms the the P0193 Code?

Reduced gas mileageLack that powerEngine apprehension or stalling at protect against signsTailpipe emissions might smell unusualFuel trim password (P0172 fuel system too rich) might be triggeredFailed auto emissions testIn rarely cases, no observable symptoms

How to Diagnose the P0193 Code

NOTE: If any kind of of the fuel it is provided lines or the fuel rail push sensor are gotten rid of on a usual rail system, the component should be replaced, for this reason don’t eliminate a heat or a sensor unless you have actually a new one through which to replace it. The soft iron seat will only seal once.

The P0193 code can be set in a selection of vehicles. But despite being thought about a generic problem code, the steps for diagnosis and repair may vary in between makes and models. For example, the troubleshooting procedure of a password P0193 in a Ford may differ from the of one Isuzu’s.

Note that various other engine problems will usually current symptoms the are similar to those detailed above. To protect against misdiagnosing this error code, it’s a great idea to look for the help of a licensed mechanic. Right here are part videos the will provide you an idea of what the troubleshooting process might involve:

How to deal with the P0193 Code

You should only effort to carry out repairs because that this trouble code if friend have extensive automotive knowledge. If she unsure of any type of aspect the the troubleshooting process, bring your auto to one auto fix shop. This will certainly ensure the you’re no misdiagnosing the problem and also overlooking parts that must be replaced in the very first place.

For progressed DIYers that wish to execute diagnosis and also repair for this code on your own, the a good idea come review auto repair manuals choose those from Chilton. Friend may additionally get vehicle-specific repair information from one ALLDATA subscription.

See more: How Many Inches In 30 Mm Is How Many Inches, Convert 30 Millimeters To Inches

Products stated in this Guide

Fuel pressure Sensor
Fuel Rail

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