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

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle and decreased engine performance Black exhaust smoke or soot Decreased fuel efficiency and engine hesitation Tools Needed: DiagtPro X400

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle and stumbling engine Black exhaust smoke from the tailpipe Decreased fuel efficiency and performance Tools Needed: DiagtPro X400 Scanner

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

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 Step 1: Test Fuel

P0172 Code Fix? Here’s the Exact Fix (Step-by-Step) Symptoms: Rough idle and poor engine performance Black exhaust smoke indicating rich fuel mixture 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 – Engine light on with P0172 codeTools Needed: – DiagtPro X400

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

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