Why does my Infiniti G20 stall when I'm stopped in Drive?

Short answer: If your G20 shudders and dies when you're stopped in Drive but is fine in Park or Neutral, the engine can't hold idle under load. Members suggested cleaning the throttle body and the idle air control valve first. On a 2000 G20 that died only in Drive, a member pointed out the engine rocks backward when shifted into Drive, so check for a split hose between the airflow sensor and throttle body, or a wire that gets pulled when the engine moves.

Symptom: At a stop in Drive with your foot on the brake, the engine shudders and dies, often in cold weather. The headlights may dim as it struggles. In Neutral, Park or Reverse it keeps running.

What to check first

1. Clean the throttle body and idle air control valve with throttle body cleaner.
2. Inspect the intake hose between the MAF sensor and the throttle body for splits, especially on the underside.
3. Shift between Drive and Reverse with the hood open (with a helper holding the brake) and watch for hoses or wires that stretch as the engine rocks.
4. Check engine mounts. Worn mounts let the engine move more.
5. Read stored codes. One owner had an earlier MAF code.

Likely causes

1. Dirty throttle body or sticky idle air control valve. The first suggestion for the 1996's cold-weather stalls.
2. Split intake hose after the MAF sensor. A member's suspect on the 2000 that only died in Drive.
3. Wiring or connector pulled as the engine rocks. The engine moves one way for Drive and the other for Reverse.
4. Dirty MAF sensor. An earlier MAF code on the 2000; cleaning it helped for a while.

What it usually costs

No owner posted prices.

Is it safe to keep driving?

Stalling at a light is a hazard in traffic, and steering gets heavy when the engine dies. Get it fixed soon. Verify with a mechanic.

DIY or shop?

DIY. Cleaning and hose checks are basic jobs. Engine mounts are more work.

Recalls, bulletins and complaints in plain words

• Related recalls: NHTSA lists these recalls touching this area of the Infiniti G20: 97V072000 (1991-1996 model years, fuel system, gasoline). Check your VIN at nhtsa.gov/recalls. If your car is part of this recall, the dealer fixes it for free.
• Plain words: Recall 97V072000 covered fuel filler tube corrosion on 1991–1996 G20s sold or registered in road-salt states. It's about leaks, not stalling. If you smell gas under the hood, don't drive it until it's checked. Verify with a mechanic.
• NHTSA complaints: 11 keyword-matched complaints for Infiniti G20 1991–2002 (of 94 unique complaints queried, NHTSA complaints API by model year, queried 2026-10-26; keywords: stall, dies, idle, surge, hesitation, rough, mass air, MAF). This counts complaints that mention these words. It is not a defect finding.

What owners report

• In Infiniti G20 sputters and dies on Car Talk, a 1996 G20 with 120,000 miles shuddered and died when stopped in Drive with a foot on the brake in cold weather. Putting it in Neutral or Park avoided the stall. A member suggested a faulty idle air control valve or a dirty throttle body and explained how to spray cleaner into the throttle body.
• In 2000 Infiniti G20 dies when put in Drive, okay in Reverse on Car Talk, the only earlier code had pointed to the MAF sensor, so the owner cleaned it and replaced the fuel filter, but the car later died when put in Drive. A member suggested checking for a split hose between the MAF sensor and throttle body and for wires that get stretched because the engine rocks backward in Drive and forward in Reverse.

Quick tip

Dies in Drive but not Reverse is a great clue. Something moves when the engine rocks. Look before you buy parts.

Vehicle focus: 1991–2002 Infiniti G20 (2.0L four).

Safety / mechanic note

Keep hands clear of belts and fans when checking a running engine, and have a helper hold the brake firmly. Verify with a mechanic.