ShopBaseFree forever shop management software for auto repair shops
Try ShopBase Free β†’
P1604

Startability Malfunction

2012-2012 Lexus LFA 4.8L V10 πŸ‡©πŸ‡ͺ

High SeverityPowertrain

Description

The engine failed to achieve stable running speed within expected time after cranking.

Symptoms

  • CEL
  • Hard starting
  • Extended cranking
  • Stall after start
  • Rough idle

Common Causes

  • Fuel delivery issue
  • Ignition problem
  • Air leak
  • Low compression

Diagnostic Steps

  1. Check fuel pressure
  2. Test ignition system
  3. Check for vacuum leaks
  4. Test compression

Repair Notes

Diagnose and repair root cause.

Other Powertrain Codes

P1604 on Other Vehicles

Common Questions

What does code P1604 mean on a 2012-2012 Lexus LFA?

P1604 stands for "Startability Malfunction". The engine failed to achieve stable running speed within expected time after cranking.

What are the symptoms of P1604 on a Lexus LFA?

Common symptoms of P1604 include: CEL, Hard starting, Extended cranking, Stall after start, Rough idle.

What causes P1604 on a 2012-2012 Lexus LFA?

Common causes of P1604 include: Fuel delivery issue, Ignition problem, Air leak, Low compression.

View Labor Times | View Torque Specs | View Fluid Specs