Parts Cannon Special: Rich Running Chevy Truck P0172 and P0175
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Date: 2022-03-29
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Comments and reviews: 9
Garth
Ha Ha. surprise surprise surprise! (Gomer Pyle. Well, its your time and your shop and the truck is in the stall so you get to the stage of making the call to the customer and not available for however long. It's makes sense to do what you did regarding fuel injectors. obviously the man wouldn't want to spend the 800 for GM injectors after just spending XX on the oversized MOST PLUS injectors. Considering he came in for the rich condition, he was likely ready to spend again anyway. Next is the story I can fix it and here's what it needs.
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Ha Ha. surprise surprise surprise! (Gomer Pyle. Well, its your time and your shop and the truck is in the stall so you get to the stage of making the call to the customer and not available for however long. It's makes sense to do what you did regarding fuel injectors. obviously the man wouldn't want to spend the 800 for GM injectors after just spending XX on the oversized MOST PLUS injectors. Considering he came in for the rich condition, he was likely ready to spend again anyway. Next is the story I can fix it and here's what it needs.
reply
David
Awesome diagnosis procedure! As a retired Chrysler and GM engine calibration engineer your process of how things could contribute to a rich condition are spot on. Chrysler measures barometric pressure exactly as you described (at least they did 2007 and earlier when I retired. I think GM does the same but GM ties each engineer to just a small portion of the calibration. At GM I was responsible for cam and ignition timing. At Chrysler I had pretty much the whole thing. GM had 20 engineers to do a calibration and Chrysler had 5.
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Awesome diagnosis procedure! As a retired Chrysler and GM engine calibration engineer your process of how things could contribute to a rich condition are spot on. Chrysler measures barometric pressure exactly as you described (at least they did 2007 and earlier when I retired. I think GM does the same but GM ties each engineer to just a small portion of the calibration. At GM I was responsible for cam and ignition timing. At Chrysler I had pretty much the whole thing. GM had 20 engineers to do a calibration and Chrysler had 5.
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Wayne
I can attest to not using cheap ebay injectors. A couple of years ago I bought a set for my 92 Cavalier beater car and installed them. Car ran horrible and felt like it was missing. I pulled the injectors back out and ohm'd them and two out of the four were out of spec. I put a set of used ones back in and the car ran fine after that. The company refunded my money back and didn't want the injectors back. They must have known they were junk.
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I can attest to not using cheap ebay injectors. A couple of years ago I bought a set for my 92 Cavalier beater car and installed them. Car ran horrible and felt like it was missing. I pulled the injectors back out and ohm'd them and two out of the four were out of spec. I put a set of used ones back in and the car ran fine after that. The company refunded my money back and didn't want the injectors back. They must have known they were junk.
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Aku2Dimensional
My brother-in-law dumped about 1. 5 quarts of oil into his Subaru believing that amount of oil had been burned as per normal, the dipstick read low at the time and he didn't put any oil in for a few months. Guess he was bamboozled because the Subaru puffed a bigger cloud of white smoke than a Dodge ever could, fortunately he only drove a mile or two down the road and we drained out most of what he put in.
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My brother-in-law dumped about 1. 5 quarts of oil into his Subaru believing that amount of oil had been burned as per normal, the dipstick read low at the time and he didn't put any oil in for a few months. Guess he was bamboozled because the Subaru puffed a bigger cloud of white smoke than a Dodge ever could, fortunately he only drove a mile or two down the road and we drained out most of what he put in.
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KJ
I ve been guilty of shotgunning problems that I ve encountered on our newer vehicles. It was hard for me to swallow my pride and acknowledge these newer vehicles are above my pay grade when it comes to diagnostic skills. I miss engine bays you could stand in, and with enough beers and a timing light you could fix anything. Love your content, glad you re here to provide good knowledge and entertainment.
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I ve been guilty of shotgunning problems that I ve encountered on our newer vehicles. It was hard for me to swallow my pride and acknowledge these newer vehicles are above my pay grade when it comes to diagnostic skills. I miss engine bays you could stand in, and with enough beers and a timing light you could fix anything. Love your content, glad you re here to provide good knowledge and entertainment.
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Granny
I guess those chineseium injectors are all good if you have an aftermarket ECU and can program them to whatever cc they turn out to be.
Would it have been worth pulling a plug to make sure that it was actually rich rather than incorrectly reporting? Or was it obvious enough in person?
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I guess those chineseium injectors are all good if you have an aftermarket ECU and can program them to whatever cc they turn out to be.
Would it have been worth pulling a plug to make sure that it was actually rich rather than incorrectly reporting? Or was it obvious enough in person?
reply
TommyMacDaddy1
Funny. Sitting on the couch, watching this SMA video. I heard a compressor running in the background. jumped up and went out to the shop to shut mine off. Got out there and realized _it was in the SMA video! _
I'm the big dummy! Ha ha!
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Funny. Sitting on the couch, watching this SMA video. I heard a compressor running in the background. jumped up and went out to the shop to shut mine off. Got out there and realized _it was in the SMA video! _
I'm the big dummy! Ha ha!
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mojunk19
Wish there were more mechanics like you out there. It seams like a hit and miss out there and you walk away wondering if the mechanic just sold you a line of BS. But if the car is fixed it s good. Many times it s not, and now what. Great video.
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Wish there were more mechanics like you out there. It seams like a hit and miss out there and you walk away wondering if the mechanic just sold you a line of BS. But if the car is fixed it s good. Many times it s not, and now what. Great video.
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Eddie
Had a customer bring his old chivy in one day and asked me to figger out what was wrong. It was misfiring fierce. Injector Ballance showed 2 bad injectors. He said well I have some in the truck 29. 99 from ebay. The brand name was engine dancer
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Had a customer bring his old chivy in one day and asked me to figger out what was wrong. It was misfiring fierce. Injector Ballance showed 2 bad injectors. He said well I have some in the truck 29. 99 from ebay. The brand name was engine dancer
reply
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