Re: 1989 5.2 b150 black smoke
[Re: boydsdodge]
#1004556
06/01/11 09:27 PM
06/01/11 09:27 PM
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Joined: Aug 2005
Posts: 11,543 chicagoland,usa
buildanother
I Live Here
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I Live Here
Joined: Aug 2005
Posts: 11,543
chicagoland,usa
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Put key in ignition, then turn it to on, then to off, then to on, then to off, then back to on, all in like 4 seconds total time, then count flashes of eng lamp.
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Re: 1989 5.2 b150 black smoke
[Re: buildanother]
#1004557
06/01/11 10:51 PM
06/01/11 10:51 PM
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Joined: Apr 2010
Posts: 10,570 Sunny South Florida
Golden-Arm
I Live Here
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I Live Here
Joined: Apr 2010
Posts: 10,570
Sunny South Florida
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3 times off and on, last time leave it on. get a pen and write the flashes. all of them are 2 digit codes. (if you miss one, just redo the test, after the codes are done flashing. it doesnt erase itself after you run the test) the squirts should be so tiny, as to be almost invisible when cranking and at idle. and you should easily be able to see the pulses moving from left to right sides. if it's anything more than just a tiny wisp of fuel something is wrong with the injector, or the signal being sent to it.
"When Tyranny Becomes Law, Rebellion Becomes Duty"
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Re: 1989 5.2 b150 black smoke
[Re: RodStRace]
#1004558
06/03/11 11:02 AM
06/03/11 11:02 AM
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Joined: Jul 2005
Posts: 757 Toronto, Ont, Canada
boydsdodge
OP
super stock
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OP
super stock
Joined: Jul 2005
Posts: 757
Toronto, Ont, Canada
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Thanks all for the tips, I got it going. I had changed out the MAP sensor earlier in the day with no change, unless it takes MAP sensors a while to get going. So under the advice of RodStRace I checked out the ECT sensor, Took the plug off cleaned it up and reinstalled. Truck ran much smoother but still very smokey, let it get up to op temp. No smoke at idle only on revving engine, took truck for drive on the Hiway and it cleared up as I drove. Runs great, starts fast and clean, Thanks again for the suggestions.
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