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 gauge Smoke machine Step 1: Measure

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

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 Smoke test kit Vacuum pump Step 1:

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

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

P0172 Code Fix? 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 Smoke machine for

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

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) illumination with code P0172

P0172 Code Fix? 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

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle and decreased engine performance Black exhaust smoke indicating excessive fuel consumption Illuminated check engine light with P0172 code Tools