That lingering hot idle problem with my '88 Formula, which caused me to replaced numerous parts and spend untold hours trying to cure, was due to a bad part right out of the box. It was a Delphi 02 sensor that was causing the car to idle erratically and stall when it got hot. I replaced it -- on a whim -- today with an NGK 02 sensor and she's running absolutely perfectly. FINALLY! I just have one more job to do and it's a pig of a job: replacing the TCC solenoid.
Anyway, the lesson I learned here is never trust any new parts ever again. Just because you took out an old, bad part, doesn't mean you fixed the problem. You could have installed a new bad part, like I did.
I just have one more job to do and it's a pig of a job: replacing the TCC solenoid.
Anyway, the lesson I learned here is never trust any new parts ever again. Just because you took out an old, bad part, doesn't mean you fixed the problem. You could have installed a new bad part, like I did.
Rich Truett
I believe that Delphi is a Chinese product . We use only Denso, made in the USA sensors. AC Delco O2 sensors are also supplied by Denso. Have no experience with NGK but if its a Japan product its probably good. Big difference between quality parts made in the USA, Europe, So. Korea, Taiwan, Japan and those made in China. They make cheap garbage over there.
------------------ " THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Flotech Afterburner Exhaust, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, HP Tuners VCM Suite. "THE COLUSSUS" 87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H " ON THE LOOSE WITHOUT THE JUICE "
[This message has been edited by Dennis LaGrua (edited 06-06-2015).]
Glad to see you fixed it. You learned a lesson that seems all too common with Fiero parts available these days. It can get expensive changing every part and assuming they are always good out of the box. Diagnostics point to a bad part but because it was just changed too many people keep looking elsewhere changing other parts. Of course this could result in problems compounding as good parts get changed with other bad out of the box parts. Never ending cycle of failure. Hopefully others will learn from this too!
The apple iPhone is made in China. If Delphi specs junk, Delphi gets junk. There will always be a price leader in the store and it will always be cheaper than the good part.
[This message has been edited by Gall757 (edited 06-06-2015).]
Originally posted by Dennis LaGrua: Big difference between quality parts made in the USA, Europe, So. Korea, Taiwan, Japan and those made in China. They make cheap garbage over there.
Don't kid yourself...lots of garbage made in North America too! There are also some very reputable Chinese companies that produce quality products and have very dedicated customer service. I'll agree that the odds of finding poor quality is higher in China, but assuming the country of origin automatically dictates quality is just not true.
Wait a minute... Denso (aka Nippondenso?) Made in the USA? Not that it's a bad part, but...
With that said... My Delco O2 sensor failed after a year or two. Told the computer that it was running "full lean" (therefore the computer "compensated" with "full rich".) I replaced it with an NTK (reputed to be made by NGK) and have had no trouble since.
I specifically asked for Delphi, when I replaced the 02 Sensor. I paid more for it thinking I was getting a better product. I'd be driving at highway speed and the SES light would come on and then go out. The codes would be 13 and 44. But I checked the 02 sensor with the voltmeter and it was within spec. So, started changing other parts and it didn't fix the problem.
I am not down on Delphi. Every company has bad parts that get through the system. Would another Delphi 02 sensor fail out of the box? Doubt it. I was probably just unlucky.
The apple iPhone is made in China. If Delphi specs junk, Delphi gets junk. There will always be a price leader in the store and it will always be cheaper than the good part.
That lingering hot idle problem with my '88 Formula, which caused me to replaced numerous parts and spend untold hours trying to cure, was due to a bad part right out of the box. It was a Delphi 02 sensor that was causing the car to idle erratically and stall when it got hot. I replaced it -- on a whim -- today with an NGK 02 sensor and she's running absolutely perfectly. FINALLY! I just have one more job to do and it's a pig of a job: replacing the TCC solenoid.
Anyway, the lesson I learned here is never trust any new parts ever again. Just because you took out an old, bad part, doesn't mean you fixed the problem. You could have installed a new bad part, like I did.
Rich Truett
Too bad you had to go thru all that. I have a air-fuel ratio meter mounted in my pillar pod. If the O2 acts up I'll be the first to know. Mine is simillar to this one.
------------------ "Kilgore Trout once wrote a short story which was a dialogue between two pieces of yeast. They were discussing the possible purposes of life as they ate sugar and suffocated in their own excrement. Because of their limited intelligence, they never came close to guessing that they were making champagne." - Kurt Vonnegut
