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Engine-Codes - Toyota - P0301 1998 TOYOTA CAMRY

P0301 1998 TOYOTA CAMRY - Cylinder 1 Misfire Detected

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P0301 1998 TOYOTA CAMRY Possible Causes

What does this mean?
  • Faulty spark plug 1
  • Clogged or faulty fuel injector 1
  • Faulty ignition coil 1
  • Fuel injector 1 harness is open or shorted
  • Fuel injector 1 circuit poor electrical connection
  • Ignition coil 1 harness is open or shorted
  • Ignition coil 1 circuit poor electrical connection
  • Insufficient cylinder 1 compression
  • Incorrect fuel pressure
  • Intake air leak
  • Manifold absolute pressure sensor
  • Engine coolant temp. sensor
  • EGR
  • ECM

How is the P0301 1998 TOYOTA CAMRY code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

Tech Notes

What does this mean?
The P0301 code means that the cylinder 1 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 1. If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes"

What is the cost to diagnose the P0301 1998 TOYOTA CAMRY code

Labor: 1.0

The cost to diagnose the P0301 1998 TOYOTA CAMRY code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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When is the code detected?

Engine Cylinder 1 is misfiring.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Lack/loss of power
  • Hard start
  • Engine hesitation

P0301 1998 TOYOTA CAMRY Meaning

When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.

More Information

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