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Po300 po102 and po455 - 2004 Chevrolet Silverado

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Code po1133


all the codes you have listed are concerning the exhaust/emissions and random misfire , check all air intake hoses for leaks/wear etc ,check condition of spark plugs renew if in doubt ,take it from there

Mar 29, 2014 | 2005 Saturn ION

1 Answer

What do all these codes mean PO135-PO300-PO404-PO102-PO440


po135 is o2 sencer on drivers side. will be the first one. po300 is random/multiple misfire.po404 is a egr code. po102 mass air flow circuit low input. po440 evap emission control system malfunction

Dec 23, 2012 | Cars & Trucks

1 Answer

I have a 97 Isuzu rodeo 3.2 and have had a prob with cel flashing when it flashes the truck misfiresthe cel for about a week now i've got PO101 & PO102 PO300 i need to smog can somebody please help M


  • With the engine cold take and spray some carburetor cleaner around the intake. Can't believe so many places left you hanging like this. Lets see, check the PCV valve and the PCV valve and make sure it is not cracked, split, rotted, clogged. I only recommend and use OEM MAF sensors period. I don't car how fancy the name may be. Did you test the harness on your MAF for proper continuity? Check all vacuum hoses for any leak. Also pull your plugs again and see if any of the new plugs are fouled. I have seen a faulty fuel injector, that won't close, cause this.

  • Keep me updated. Hope this helps.
Regards, Tony



Oct 28, 2011 | Cars & Trucks

1 Answer

Codes po300, po441. po335, po455


A code P0441 could mean one or more of the following has happened:
  • Bad vacuum switch
  • Broken or damaged EVAP line or canister
  • Open in PCM purge command circuit
  • Open or short in Voltage feed circuit to Purge Solenoid
  • Faulty purge solenoid
  • Restriction in EVAP solenoid, line or canister
  • Corrosion or resistance in purge connector
  • Bad PCM

Mar 13, 2011 | Mitsubishi Galant Cars & Trucks

1 Answer

My car has these codes coming up. What are they? PO141 PO455 PO128 PO300... My car is a 2006 Chevrolet Cobalt


CODE O141 IS AN O2 SENSOR WHICH IS NOT WORKING
CODE P0300 IS A RANDOM MULTIPLE MISFIRE WHICH IS IN RELATION TO THE FIRST CODE
CODE PO455 IS THE EVAP PURGE CONTROL VALVE WHICH IS SHORTED (NOT WORKING)

Jan 12, 2011 | 2006 Chevrolet Cobalt

1 Answer

I am getting codes PO101, PO102, PO113, PO128, PO300. The truck is running rough, when put into gear it has almost no power. It feels like it is sucking a lot of air.


This sounds like a wiring issue. Has someone been into the wiring on the engine? MAF sensor, IAT sensor, temp sensor...and ignition system/crank sensor. PCM has probably gone to limp mode. Check your connectors on the engine and intake resonator and if you don't find any problems, please get back to us.

Oct 31, 2010 | Chevrolet Silverado 1500 Cars & Trucks

1 Answer

I changed the intake manifold on my 1997 gmc safari van that has the 4.3L engine. Now the check engine light comes on. it puts out 3 codes ( po102 ) ( po300 ) and ( po507). What did i do wrong and where...


its soaking air somewere around the manifold make sure you thigten the bolts on the wight pattern if yoou dont know the pattern start from te center to the outside or reset the computer just unhooked the negative cable from the batery for 5 minutes,

Sep 26, 2009 | 1997 GMC Sierra

3 Answers

I changed the intake manifold on my 1997 gmc safari van that has the 4.3L engine because of a coolant leak. Now the check engine light comes on. it puts out 3 codes ( PO102 ) ( PO300 ) and ( PO507). What...


you may have broke a gasket 0n the manifold and you now have a vacuum leak explaining the high idle. also check the iac sensor it may be stock partly open or sticking

Sep 25, 2009 | 1997 GMC Safari

2 Answers

Chevy s-10 2003 4.3 lt v-6 4x4


catalytic convertor may be plugged

Jul 21, 2009 | 2001 Chevrolet S-10

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