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08-18-2012, 03:45 PM | #1 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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PO300
I have a 2000 ECHO with a PO300 error code.
Can someone advise what to check for? I looked it up and it sounds complicated. The vacuum lines all appear to be good.
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Synthetic Oil: Its All In Your Head |
08-18-2012, 08:15 PM | #2 |
Drives: Yaris Sedan Join Date: Apr 2012
Location: So Cal
Posts: 53
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I believe the code was P0300, which states multiple misfire. Does your engine feel like it's running weird? Not smooth?
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08-18-2012, 08:50 PM | #3 |
Drives: 2009 Base Hatch 2 Dr Auto Join Date: Dec 2008
Location: nj
Posts: 4,790
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Runs normal. Mileage was down to 30 from ~34.
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Synthetic Oil: Its All In Your Head |
08-18-2012, 10:01 PM | #4 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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That is one of those codes that can have a bunch of causes:
- Open or short in engine wire harness - Connector connection - Vacuum hose connection - Ignition system - Injector - Fuel pressure - MAF meter - ECT sensor - Compression pressure - Valve clearance - Valve timing - PCV valve and hose - PCV hose connections - Air induction system - ECM
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