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P0171 Code — Meaning, Real Fixes & Costs | MyCarFault
P0171
🟡 Medium Engine system

P0171 — System Too Lean Bank 1

12 Driver reports
12 Solved cases
6 Verified fixes
0 Wrong repairs reported

Most Verified Fixes for P0171

Ranked by confidence score — same vehicle matches weighted higher.

Cleaned MAF sensor with dedicated MAF cleaner spray. Also found small cracked vacuum hose near intake manifold. Replaced hose $8. P0171 cleared and has not returned. 0%
0 worked · 0 total votes · ⚪ Unverified
Cleaned MAF sensor with dedicated MAF cleaner spray. Also found small cracked vacuum hose near intake manifold. Replaced hose $8. P0171 cleared and has not returned. 0%
0 worked · 0 total votes · ⚪ Unverified
Cleaned MAF sensor with dedicated MAF cleaner spray. Also found small cracked vacuum hose near intake manifold. Replaced hose $8. P0171 cleared and has not returned. 0%
0 worked · 0 total votes · ⚪ Unverified
Cleaned MAF sensor with dedicated MAF cleaner spray. Also found small cracked vacuum hose near intake manifold. Replaced hose $8. P0171 cleared and has not returned. 0%
0 worked · 0 total votes · ⚪ Unverified
Cleaned MAF sensor with dedicated MAF cleaner spray. Also found small cracked vacuum hose near intake manifold. Replaced hose $8. P0171 cleared and has not returned. 0%
0 worked · 0 total votes · ⚪ Unverified
Cleaned MAF sensor with dedicated MAF cleaner spray. Also found small cracked vacuum hose near intake manifold. Replaced hose $8. P0171 cleared and has not returned. 0%
0 worked · 0 total votes · ⚪ Unverified

Driver Reports — P0171 12 reports

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