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10-14-2003, 05:57 PM | #1 |
been here longer than Liz
Join Date: Feb 2000
Location: Broken Arrow, OK
Posts: 2,437
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improvement on the piso, but still confusing
First off, many, many thanks to Mike for being the kind of guy he is! He sent me a used but working idle air control valve, MAP sensor, throttle position sensor, and O2 sensor, on his dime!
I got them today, and swapped out everything but the O2 sensor (don't have one, remember?). The truck started right up and idled fine. It kept going without dying like it should have already. I got my hopes up, closed the hood, and pulled out of the driveway. I got to the stopsign 50 yards from my house and it died like old times. Started up, off I went. Another 100 yards, another stop sign, and it died again. Another 100 yards, slowed for a curve, it died again, a little harder to get started this time. Another 50 yards it died at another stop sign, took about 5 cranks to get it going, had to keep pumping the gas to keep it running and use the brake to control speed. Pulling into my driveway, it died again. Got it started again in the driveway, idled smooth and without dying. It kept going, so I started playing with the gas. I could pump it to the floor with no problem. Slowly pressing down on the gas almost caused it to die, but it didn't. I sat in the driveway letting it idle, pumping it, revving it, flooring it, and it ran fine. WHAT IS GOING ON WITH MY PISO ENGINE???? Tomorrow I may nurse it over to the mechanic's a mile away, mostly neighborhood and industrial park streets. If someone can help me out before then I'd sure like to save the $. THANKS AGAIN MIKE!
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~Greg~ Mac's Garage '87 SWB 6/8 drop "Piso" '08 CCSB Silverado DD the departed '89 GMC K5 Jimmy 4x4 "Rusty Nuts" '77 Chevy K5 Blazer 2wd '83 Chevy stepside "You get what you pay for" - Mike 'swervin ervin' Ervin |
10-14-2003, 06:41 PM | #2 |
Join Date: Jan 2003
Location: Modesto, CA
Posts: 1,321
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IMHO, I think the mechanic is gonna tell you the same thing I am...get that O² Sensor in and hooked up, then see where you're at. Two things keep a motor running, fuel and fire, if you're getting fire, then you know you're not getting fuel...or vice versa. So if you KNOW you're getting either fuel or fire, then you KNOW it's the other one's fault.
I just keep thinking O² Sensor, because from ½ to WOT, it ignores the O² Sensor and goes off of preset values programmed into the ECM...but if you took it off 7 years ago, and didn't start having problems till now..that really stumps me... |
10-14-2003, 07:10 PM | #3 | |
been here longer than Liz
Join Date: Feb 2000
Location: Broken Arrow, OK
Posts: 2,437
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Quote:
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~Greg~ Mac's Garage '87 SWB 6/8 drop "Piso" '08 CCSB Silverado DD the departed '89 GMC K5 Jimmy 4x4 "Rusty Nuts" '77 Chevy K5 Blazer 2wd '83 Chevy stepside "You get what you pay for" - Mike 'swervin ervin' Ervin |
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10-14-2003, 10:14 PM | #4 |
Registered User
Join Date: Sep 2003
Location: COVINGTON GEORGIA
Posts: 477
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fuel lines ontop of tank
the same stuff happened to my old ranger. it was the lines coming out of tha gas tank were rusted and it was sucking in air instead of fuel. its just a suggestion it wouldnt hurt nothing to take a look. i fixed the ranger then sold it
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79 chevy k20 350/350/205/D44/14bFF 4.56 gears rock LWB pimer black 01 S-10 ZR2 extended cab 4.3/4L60E/233 3.73 gear 31" DICK CEPEK CRUSHERS |
10-14-2003, 10:20 PM | #5 |
been here longer than Liz
Join Date: Feb 2000
Location: Broken Arrow, OK
Posts: 2,437
|
Thanks, I'll check it. Hopefully that's not the case since the fuel lines from the tank are new braided steel lines. Never hurts to look though...
__________________
~Greg~ Mac's Garage '87 SWB 6/8 drop "Piso" '08 CCSB Silverado DD the departed '89 GMC K5 Jimmy 4x4 "Rusty Nuts" '77 Chevy K5 Blazer 2wd '83 Chevy stepside "You get what you pay for" - Mike 'swervin ervin' Ervin |
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