Misfire

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Misfire - 9/19/2008 12:08:12 PM    Hawaii   Posts: 4 Joined: 9/19/2008 Status: offline I am new to this forum and from what I see it seems very helpful.  I have a 1995 S10 Blazer 4.3 (Vin W)4x4.  Six months ago it started hesitating on acceleration.  The egr code came on and I took it out and cleaned it.  It ran great until recently.  It had the same symptoms so I went ahead and replaced the egr completely.  This did not fix the problem.  I have now replaced the plugs, wires, cap and rotor button.  I started to replace things because the vehicle won''t code out since I had it cleared.  The last reading was multiple misfire.  I replaced the coil, throttle position sensor and eletronic control module.  The entire fuel system was replaced a year ago, so I really believe it is in the egnition system.  Any suggestins would be greatly appreciated. Post #: 1

RE: Misfire - 9/19/2008 12:29:43 PM    rriddle3 Posts: 1313 Joined: 12/22/2006 From: Fort Worth,Texas Status: offline quote: ORIGINAL: Hawaii The last reading was multiple misfire.  The dreaded ''multiple misfire'' code. Use the search function for ''PO300'' and see if the info you find will help. Let us know. _____________________________ 2002 Blazer LS 4dr 2WD Auto Trans Hypertech PP III Programmed Flowmaster 50 Series Delta Flow Muffler, C6 Corvette Exhaust Tip TYC Elegante carbon fiber tail lights (in reply to Hawaii) Post #: 2

RE: Misfire - 9/19/2008 4:21:18 PM    Peru Motors   Posts: 155 Joined: 12/23/2007 Status: offline just for *(@#$& and giggles, I would put a fuel pressure gauge on it and see if all is ok.  If there is any question on what you find-report back to us all! JP PS may be ignition but this is an easy check and will eliminate pump injectors and the like! (in reply to rriddle3) Post #: 3

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