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Symptoms · 7.3 Godzilla (gas)

7.3 Godzilla (gas): hard start, long crank or no-start

2 documented failures on this engine list this among their signs. They are ordered from the most widespread down. Each one shows the signs in its record's own words, how to tell it from the others, the usual fix and any recall or bulletin.

1. Fuel delivery service (in-tank pump / filter / PFI injectors) Common
2. Ignition service wear (plugs / coils) Common

Not sure which engine you have, or want the recalls for your exact truck? Check your VIN: it names the engine and lists the campaigns for that model year. Whether a recall is still open on your VIN: nhtsa.gov/recalls.

1 Fuel delivery service (in-tank pump / filter / PFI injectors)

aggregated How widespread: Common

How it shows up

• long crank / low rail pressure complaints on high-mileage trucks

Its other signs

• injector service as wear, not the DI contamination cycle

How to tell it apart

• verify delivery pressure at the rail before replacing hardware
• rule out electrical/relay causes for no-starts first

Usual fix

service: delivery hardware as needed

Root cause, parts and sources →

2 Ignition service wear (plugs / coils)

aggregated How widespread: Common

How it shows up

• gradual roughness, longer crank, misfire codes at service mileage

Its other signs

• coils fail individually with age/heat

How to tell it apart

• pull plug condition at service mileage; replace as a set on an aged engine
• test coils on a miss before replacing hardware in bulk

Usual fix

service: plugs + coils as wear parts; keep plug wells sealed

Root cause, parts and sources →

Other symptoms on the 7.3 Godzilla (gas)

Ticking, knocking, rattle or whineMisfire, rough idle, hesitation or surging

Everything on the 7.3 Godzilla (gas)Its recalls and bulletins

Order: how widespread each failure is in its record (near-universal, very common, common, occasional, rare), then the number of NHTSA owner complaints that match its keywords. Complaint counts are keyword matches, not a manual review of each complaint. A symptom listed here means the failure is documented with that sign; it is not a diagnosis of your truck. Tiers: verified, aggregated, contested, data-gap. How we tier and source facts.