ENGINE PERFORMANCE PROBLEM1998 SUBARU LEGACY 4 ...

1998 Subaru Legacy

Tiny

garylyates

October, 1, 2010 AT 10:13 AM

Engine Performance problem
1998 Subaru Legacy 4 cyl All Wheel Drive Manual

Hi, I have a 1998 subaru legacy wagon with 175k. Yesterday while passing a car the check engine light came on and it started running rough and now ticks. I had auto zone check it with their machine, it said misfire in all 4 cylinders. They recomended new plugs and wires, I did that and it runs better but still rough. I checked firing by removing wires with engine at idle and #2 seems to be where the problem is, no change with or without wire. What now? And what else should I replace at 175k?

FOUND 17084 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

October, 1, 2010 AT 9:01 PM

Engine running rough or misfiring can be cause by the following: 1. Defective spark plug
2. Inadequate spark/coil, defective spark plug wire.
3. Lack of compression
4. False air leakage.
5. Faulty fuel injectors.
6. Insufficient fuel pressure.
7. Contaminated fuel.
8. EGR valve that is leaking.
9. Oxygen sensors.
10. Throttle position sensor.
11. Idle air control valve.

Please login or register to post a reply.

Code Read Retrieval/Clear Chevrolet Camaro
Code Read Retrieval/Clear
 Step by Step video GMC Yukon XL 2000-2006
Code Read Retrieval/Clear Scion XD
Code Read Retrieval/Clear - Dodge Stratus
Read Codes Like a Pro