Thread: hard start and hesitation above 5k

Results 1 to 2 of 2
  1. #1 hard start and hesitation above 5k 
    SE Level Member
    Join Date
    Mar 2011
    Location
    PA
    Posts
    28
    Thanks (Received)
    0
    Likes (Received)
    0
    Dislikes (Received)
    0
    My 98GTP has been starting hard and hesitating above 5k. First off the hard happens if I havent drove it for a few hours it'll turn over for say 15seconds and finally grab, but if I spin it for 3 sec stop and try again if fires right off. It seems like pausing for a moment is what helps.
    The hesitation happens above 5k under WOT. It feels like it's missing but I have yet to see a code appear. Will these cars miss without throwing a code?? I also checked one of the coil packs and found the sencondary to be fine but the primary was measuring .4 ohm. My manual says it should be .5-.9 ohm could this cause an issue at high rpm??
    Reply With Quote  
     

  2. #2 Re: hard start and hesitation above 5k 
    GrandPrix Junkie
    Join Date
    Oct 2009
    Location
    St. Louis
    Posts
    4,841
    Thanks (Received)
    18
    Likes (Received)
    76
    Dislikes (Received)
    0
    Sounds like you have a fuel restriction. Have you changed the fuel filter? The hard start and waiting between cranks is allowing the system to re-prime when you turn the key again, thus building the correct pressure to fire up. The missing at 5K could also be fuel related and the car is pulling timing to keep from going too lean and blowing out a cylinder or 2.
    Reply With Quote  
     

Similar Threads

  1. Hard to start GTP
    By jcnavalacademy in forum General Tech Discussion
    Replies: 15
    Last Post: 09-12-2013, 09:00 AM
  2. Hard to start
    By vertebrate in forum General Tech Discussion
    Replies: 4
    Last Post: 08-26-2011, 01:51 PM
  3. hard start
    By jspangler22 in forum 3.8L V6 Supercharged (L67)(L32)
    Replies: 4
    Last Post: 04-18-2011, 12:43 AM
  4. Car hard to start.
    By gtp99jlp in forum 3.8L V6 Supercharged (L67)(L32)
    Replies: 8
    Last Post: 04-11-2010, 11:44 AM
  5. Car hard to start sometimes.
    By WhiteGT in forum 3.8L V6 Naturally Aspirated (L36)(L26)
    Replies: 14
    Last Post: 08-14-2008, 07:40 PM
Tags for this Thread

View Tag Cloud

Bookmarks
Bookmarks
Posting Permissions
  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •