Running rough when fisrt started n blowing
black smoke n once it warms up it stop n it
runs fine n just replaced the spark plugs n
coil packed n wires
Running rich to MUCH fuel.. MAF and HEGOS, and TPS, control signals for fuel mixture...Have it read for codes, even if the check engine light is NOT on the computer will have stored information and codes. Discount auto stores will read codes for no fee. write them down.
When I start the truck it miss fires like crazy n have to let it run at a idle for about 5 to 10 minutes
And it's has the 4.7 liter
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