Can new injectors cause starting issues - Ford Powerstroke Diesel Forum
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Old 12-30-2012, 07:16 AM
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Can new injectors cause starting issues

A couple weekends ago I put on a new aFe intake and a new TS 6 pos chip.
The truck started just like it used to start prior to the changes. Meaning it cranked a couple times then started.

This last Friday a local shop finished putting in a full set a Baby Swamps injectors and a 3" DP. When I started it to drive it from the shop I noticed the starter had to crank at least twice ...maybe three times as long as it normally would to start the truck. I didn't think much of it. It was colder outside (but not that cold...maybe 25 degree) and the truck wasn't plugged in. Anyway, I drove it home in the stock chip setting and it seemed fine.

Yesterday, I drove the truck again in the evening. It was plugged in this time. It was about 35 degrees during the day and maybe 20 when I started it. The same thing happened. The starter had to crank significantly longer then it used to crank to get the engine started.

I should mention the starter is cranking very stong. It's only a year old and the batteries are the same age. The block heater was also replaced 3 months ago. The only changes to the truck since noticing the difference are the DP and injectors. Also, I don't know if it would make a difference, but like I said, both starts were with the truck in the stock chip setting.
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Old 12-30-2012, 07:27 AM
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I would say air from the install. We usually give customers a heads up about it.

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Old 12-30-2012, 07:34 AM
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Wouldn't air from the install only occur on the first start?
They said they test drove the truck after the injector install (not sure if they did after the DP install), so when I started it, that was at least the second start and it happened again on third start yesterday.

If it's air from the install, how long should I expect this to go on?
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Old 12-30-2012, 07:37 AM
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drive it like ya stole it for about 50 miles....thats how I did things on my injector swap...hth
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Old 12-30-2012, 08:20 AM
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X2 have to put it thru some hard starts and stops.

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Old 12-30-2012, 12:32 PM
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x3 you gotta drive it like a race car so the icp gets as high as it can to push air out.
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