Compression Ignition Addict
Join Date: Dec 2007
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please read hard start opinion needed
On my 01 i have hard starts. When its cold like today, 20 degrees, its a no start. I have replaced the icp sensor and the ipr. I even hooked up a battery charger and let that go for a couple hours.
I know we are going to say glow plugs or relay. I have checked them 10 times.
I am leaning towards injectors because i have a shudder at low rpm at 45mph.(approx 1500 rpm) on the freeway at 2k runs mint.
The weird thing is I can plug it in for 15to 20 minutes and it will fire. I dont need 3 hours or so.
I am going to try syn oil instead on the regular. I did notice with the new ipr the shudder at low rpm seem to stop but i did not drive it too far to know for a fact.
How would the injectors(if its the issue) cause a hard start. The thing is once started for 15 seconds, i can sut it off and restrt no problem. I dont have to run it til hot to restart. If it is injectors how can 15 or 20 minutes plugged in fix it?
2008 6.4 f250 lariat 4wd