P1172 Chevrolet Code - Fuel Pump Insufficient Flow
Quick Answer
The fuel pump is located on the left frame rail between the fuel tanks. Common causes include Faulty Fuel Pump, Fuel Pump harness is open or shorted, Fuel Pump circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1172 Chevrolet indicates Fuel Pump Insufficient Flow.
- Common causes
- Common causes include Faulty Fuel Pump, Fuel Pump harness is open or shorted, Fuel Pump circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1172 Chevrolet Description
What are the Possible Causes of the DTC P1172 Chevrolet?
- Faulty Fuel Pump
- Fuel Pump harness is open or shorted
- Fuel Pump circuit poor electrical connection
How to Fix the DTC P1172 Chevrolet?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
2001 Chevrolet Silverado
2002 Chevrolet Silverado
2003 Chevrolet Silverado
2004 Chevrolet Silverado
2005 Chevrolet Silverado
2001-2005 Chevrolet Silverado Factory Service Bulletin OBDII Code P1172
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1172 Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1172 Chevrolet Code
1. What are the common symptoms of OBDII code P1172 in a Chevrolet related to fuel pump insufficient flow?
The common symptoms include poor engine performance, difficulty starting the vehicle, stalling while driving, and a noticeable decrease in fuel efficiency.
2. What are the typical causes of OBDII code P1172 in a Chevrolet indicating fuel pump insufficient flow?
Common causes of this code include a failing fuel pump, clogged fuel filter, faulty fuel pressure regulator, fuel line restrictions, or a malfunctioning fuel pump control module.
3. How can I diagnose the issue related to OBDII code P1172 in a Chevrolet for fuel pump insufficient flow?
Diagnosis typically involves checking the fuel pressure using a gauge, inspecting the fuel pump, filter, and lines for any obstructions, and testing the fuel pressure regulator for proper function.
4. What are the potential risks of ignoring OBDII code P1172 in a Chevrolet indicating fuel pump insufficient flow?
Ignoring this code can lead to further damage to the fuel system, reduced engine performance, an increased risk of stalling or engine failure, and potential safety hazards while driving.
5. Can a DIY enthusiast repair OBDII code P1172 in a Chevrolet related to fuel pump insufficient flow?
While some basic troubleshooting like checking for clogged filters can be done by DIYers, diagnosing and repairing issues with the fuel pump itself may require professional expertise and specialized tools.
6. How much does it typically cost to repair OBDII code P1172 in a Chevrolet signaling fuel pump insufficient flow?
The cost of repair can vary depending on the exact cause of the issue, but it may range from a few hundred dollars for a simple fix like replacing a fuel filter to over a thousand dollars for more complex repairs involving the fuel pump.
7. Are there any preventive maintenance tips to avoid encountering OBDII code P1172 in a Chevrolet due to fuel pump insufficient flow?
Regularly changing the fuel filter according to the manufacturer's recommendations, using high-quality fuel, and keeping up with routine vehicle inspections can help prevent issues leading to this code.
8. Can weather or environmental factors contribute to triggering OBDII code P1172 in a Chevrolet indicating fuel pump insufficient flow?
Extreme temperatures, humidity levels, or poor fuel quality in certain regions can potentially impact the performance of the fuel system and contribute to issues leading to this code.
9. How soon should I address OBDII code P1172 in a Chevrolet related to fuel pump insufficient flow after it appears?
It is advisable to address this issue promptly to prevent further damage to the fuel system and ensure the vehicle's optimal performance and safety on the road.
10. Is it safe to continue driving my Chevrolet with OBDII code P1172 indicating fuel pump insufficient flow?
It is not recommended to continue driving the vehicle with this code present, as it can lead to potential engine problems, stalling, or other safety hazards. It is best to have the issue diagnosed and repaired as soon as possible.
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