cgallamore Posted November 9, 2009 Share Posted November 9, 2009 started my truck after 5 min of idle it was about 40 degrees f i hit the cruse to idle it up by the time it got to 800 rpm check engine lite came on imeditly turned off cruse and checked code 8 4 called dealer, was told injector pump no. 4 cyl. also said it could be a fluke, i shut down restarted and it was still there. after about 2 min. it went off havent seen it since. do you think run it or go ahead and put ip. in. im getting ready to head out west for a week or two and im not real keen on the guy's out west working on a mack. so what do ya think!i never had an ip go out can i limp in like that or is it something that has to be replaced immediatly Quote http://www.bigmacktrucks.com/uploads/1272400769/gallery_4852_794_314995.jpg Link to comment Share on other sites More sharing options...
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