P1187 Audi Code - Linear O2 Sensor Compensation Resistor Open Circuit
Quick Answer
P1187 Audi indicates Linear O2 Sensor Compensation Resistor Open Circuit. Common causes include Faulty O2 Sensor, O2 Sensor harness is open or shorted, O2 Sensor 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
- P1187 Audi indicates Linear O2 Sensor Compensation Resistor Open Circuit.
- Common causes
- Common causes include Faulty O2 Sensor, O2 Sensor harness is open or shorted, O2 Sensor 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 P1187 Audi Description
What are the Possible Causes of the DTC P1187 Audi?
- Faulty O2 Sensor
- O2 Sensor harness is open or shorted
- O2 Sensor circuit poor electrical connection
How to Fix the DTC P1187 Audi?
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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1187 Audi 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 P1187 Audi Code
What does the OBDII code P1187 mean for an Audi?
P1187 indicates an issue with the linear oxygen sensor's compensation resistor, specifically an open circuit, which disrupts proper sensor functionality.
What are the common symptoms of code P1187 in an Audi?
Symptoms may include poor fuel efficiency, increased emissions, rough idle, engine hesitation, or a check engine light.
What causes the P1187 code in an Audi?
Common causes include a damaged oxygen sensor, a faulty or disconnected compensation resistor, wiring issues, or corrosion at the sensor's electrical connections.
Can you drive an Audi with the P1187 code?
While the car may still be drivable, ignoring the code can lead to reduced engine performance and potential damage to other components over time.
How is the P1187 code diagnosed in an Audi?
Technicians use a scan tool to examine live data, inspect the oxygen sensor and resistor, check wiring and connections, and test for continuity in the circuit.
How can you fix the P1187 code on an Audi?
Repairs may involve replacing the linear oxygen sensor, fixing damaged wiring, reconnecting the resistor, or cleaning corroded connections.
Does the P1187 code affect emissions?
Yes, an issue with the oxygen sensor can lead to improper air-fuel mixture, increasing emissions and potentially causing your vehicle to fail an emissions test.
How much does it cost to fix the P1187 code on an Audi?
Repair costs can range from $150 to $500 depending on whether the oxygen sensor or related wiring needs replacement.
Can a faulty compensation resistor cause other issues?
Yes, a malfunctioning resistor can disrupt the oxygen sensor's readings, affecting engine performance and fuel economy.
Is the P1187 code specific to Audi vehicles?
No, while the code commonly appears in Audis, similar issues can occur in other vehicles equipped with linear oxygen sensors and compensation resistors.
Discuss the causes and fixes for P1187 Audi OBDII Code
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