P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle and stalling Black exhaust smoke Decreased fuel efficiency Tools Needed: DiagtPro X400 Scanner (for accurate live data and code

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle and decreased fuel efficiency Black exhaust smoke indicating rich fuel mixture Check Engine Light (CEL) illuminated with P0172 code

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle Black exhaust smoke Decreased fuel efficiency Tools Needed: DiagtPro X400 Scanner Multimeter Vacuum pump Step 1: Test Fuel Trim

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle and decreased engine performance Black exhaust smoke or rich fuel smell Decreased fuel efficiency and increased emissions Tools Needed:

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle Black exhaust smoke Decreased fuel efficiency Illuminated check engine light Tools Needed: DiagtPro X400 Scanner Multimeter Vacuum gauge Smoke

P0172 Code? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle Black exhaust Decreased fuel efficiency Check Engine Light (CEL) illumination Tools Needed: DiagtPro X400 Scanner Multimeter Vacuum gauge Smoke machine

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle Black exhaust smoke Decreased fuel efficiency Illuminated check engine light Tools Needed: DiagtPro X400 Scanner Multimeter Smoke machine Fuel

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle Black exhaust smoke Decreased fuel efficiency Check Engine Light (CEL) illumination Tools Needed: DiagtPro X400 Scanner Multimeter Vacuum gauge

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle Black exhaust smoke Decreased fuel efficiency Check Engine Light (CEL) is on Tools Needed: DiagtPro X400 Scanner for accurate

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle and decreased fuel efficiency Black exhaust smoke or excessive fuel consumption Check Engine Light (CEL) illuminating with P0172 code