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  1. #1
    Jr. Apprentice
    Join Date
    Sep 2011
    houston texas

    Default hard start or wont start 305.

    hard starting 89 chevy shortbed. 305. tbi. changed fuel pump. rebuilt tbi. fuel pressure regulator. temp sensor. cap and rotor. plugs and wires. she rolls over and tries to start but wont start up. im not getting any codes either. i did notice that when i turn the key over the (check engine soon) light flashes once then stays on. but still doesnt start. i dont know if it did that before or not.(flash once) it would start up after rolling over a bit and now its just rolling over. i just moved from south tx tho michigan and its much cooler here, is there any way that i might need more cold cranking amps? i have 700cca and 650ca now. what else shall i look at? thanks

  2. #2


    When was the fuel filter changed?

    2005 Chevy Silverado Z71 Crew Cab
    6" Skyjacker lift w/Edlebrock dual front remote resoviour shocks, single rear remote. Rancho skid-plate.
    17" x 9" M/T Classic Lock Wheels, 35" BFG A/T or M/T tires
    4.10 PercisionGears w/factory locker, T/A Performance rear-end cover
    Banks CAI intake, ported throttlebody, JBA coated headers, over-sized Magnaflow cats, Magnaflow cat back exhaust, Diablo tuned
    B&M aluminum deep transmission pan
    Warn brush guard w/Warn 9.5 XP winch, PIAA bulbs, Line-X bedliner, AWS Black tool chest, Extang tonneau cover
    Weather Tech floor mats
    Cover-Craft seat covers
    Dash mat cover
    Formula One window tint
    One black Lab in rear seat.

  3. #3
    Jr. Apprentice
    Join Date
    Sep 2011
    houston texas


    it was just replaced as well. i forgot to write it

  4. #4
    Sr. Engineer
    Join Date
    May 2009
    Manitowoc, WI


    If its turning over I wouldn't worry about the battery at this point. Things I'd check - Make sure the plug wires are on in the correct order, make sure you have a spark at the spark plugs, put the engine at TDC on the compression stroke and pull the cap to make sure its pointed at #1.

  5. #5
    murdog94's Avatar
    Join Date
    Feb 2008
    Cloquet, Minnesota, United States
    Blog Entries


    Also check to be sure you have spark, and your injectors are spraying fuel! if those two arent doing then you have a problem with the ignition module.


    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

    2009 Saturn Aura XE (wifes car)

    2011 F-150 Crew 4X4

    "Hold it to the floor till you see God.... Then Brake!!!!"

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