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P1177

Mixture Adaptation Bank 2 Limit Reached

1998-2008 Volkswagen Pointer 1.8L I4 🇩🇪

Moderate SeverityPowertrain

Description

The ECU detected that the mixture adaptation for Bank 2 has reached its maximum or minimum correction limit. This is the Bank 2 equivalent of P1176.

Symptoms

Check Engine Light
Rough idle
Poor fuel economy
Hesitation under load

Common Causes

Vacuum leak at Bank 2
MAF sensor fault
Fuel injector issue Bank 2
Fuel pressure regulator fault
Exhaust leak Bank 2

Diagnostic Steps

Reset adaptations and monitor
Smoke test focusing on Bank 2
Compare fuel trims between banks
Test fuel pressure
Check for exhaust leaks Bank 2

Repair Notes

Repair the root cause of adaptation limit on Bank 2.

Related Codes

P1136Long Term Fuel Trim System Too Rich Bank 2 P1136Long Term Fuel Trim System Too Rich Bank 2 P1136Long Term Fuel Trim System Too Rich Bank 2 P1136Long Term Fuel Trim System Too Rich Bank 2 P1136Long Term Fuel Trim System Too Rich Bank 2 P1136Cooling Fan for Control Modules Signal Fault P1137Front Oxygen A/F Sensor Range/Performance Problem P1137Long Term Fuel Trim System Too Lean Bank 2 P1137Long Term Fuel Trim System Too Lean Bank 2 P1137Long Term Fuel Trim System Too Lean Bank 2 P1137Long Term Fuel Trim System Too Lean Bank 2 P1137Long Term Fuel Trim System Too Lean Bank 2 P1176Mixture Adaptation Bank 1 Limit Reached P1176Mixture Adaptation Bank 1 Limit Reached P1176Mixture Adaptation Bank 1 Limit Reached P1176Mixture Adaptation Bank 1 Limit Reached P1176Mixture Adaptation Bank 1 Limit Reached

Other Powertrain Codes

P1177 on Other Vehicles

Common Questions

What does code P1177 mean on a 1998-2008 Volkswagen Pointer?

P1177 stands for "Mixture Adaptation Bank 2 Limit Reached". The ECU detected that the mixture adaptation for Bank 2 has reached its maximum or minimum correction limit. This is the Bank 2 equivalent of P1176.

What are the symptoms of P1177 on a Volkswagen Pointer?

Common symptoms of P1177 include: Check Engine Light, Rough idle, Poor fuel economy, Hesitation under load.

What causes P1177 on a 1998-2008 Volkswagen Pointer?

Common causes of P1177 include: Vacuum leak at Bank 2, MAF sensor fault, Fuel injector issue Bank 2, Fuel pressure regulator fault, Exhaust leak Bank 2.

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