Chinese made MAP sensor - ZR-1 Net Registry Forums

secondchance · 04-19-2013

About 2 months ago my Z was sputtering (a little different from hesitation). So, I suspected a bad MAP sensor (from earlier experiences) and ordered this one, I think, from the Rockauto - not 100% sure though.
When I disassembled the MAP sensor mount it turned out to be the MAP sensor hose connection between the hard plastic line and the rubber fitting - way too loose. So, I used some crazy glue, RTV sealant and zip-ties to repair the hose. And since my MAP sensor was 4-50,000 miles old and I had a new one, I replaced with the one pictured.
About 3 days ago the symptom came back. Upon disassembly I found the MAP hose to be fine and fitting tight against the plastic hose - hmmm... Just in case, I dug up the last one I removed and replaced it with the new one I had installed about 2 months ago and the sputtering went away - replacement part I used had gone bad in 2 months!
I am posting my experience and a pic of the unit that did not live up to expectation here so that the others will avoid similar mishap.

GOLDCYLON · 04-19-2013

So this was the failed unit ?

secondchance · 04-19-2013

Quote:

Originally Posted by GOLDCYLON

So this was the failed unit ?

Yes.

Schrade · 04-19-2013

Quote:

Originally Posted by secondchance

About 2 months ago my Z was sputtering (a little different from hesitation). So, I suspected a bad MAP sensor (from earlier experiences) and ordered this one, I think, from the Rockauto - not 100% sure though.
When I disassembled the MAP sensor mount it turned out to be the MAP sensor hose connection between the hard plastic line and the rubber fitting - way too loose. So, I used some crazy glue, RTV sealant and zip-ties to repair the hose. And since my MAP sensor was 4-50,000 miles old and I had a new one, I replaced with the one pictured.
About 3 days ago the symptom came back. Upon disassembly I found the MAP hose to be fine and fitting tight against the plastic hose - hmmm... Just in case, I dug up the last one I removed and replaced it with the new one I had installed about 2 months ago and the sputtering went away - replacement part I used had gone bad in 2 months!
I am posting my experience and a pic of the unit that did not live up to expectation here so that the others will avoid similar mishap.

Closed Loop?

Biggest racket of mechanics is replace-a-part, and send the customer away OPEN LOOP, with no light on of course.

"Well, I can replace x part, and that will probably fix it". Yup - uh huh...

First time Closed Loop, and ... (see avatar)

Glad it's fixed now tho'.

Corvettes White · 04-19-2013

I put the blame on Rockauto for buying it in the first place. Or having it made for them with no quality control. George

secondchance · 04-19-2013

Quote:

Originally Posted by Corvettes White

I put the blame on Rockauto for buying it in the first place. Or having it made for them with no quality control. George

Please note that "I think" I bought from them but not positive. May have been other mail order. I'll go back to my e-mail record and see if I can confirm.

Corvettes White · 04-19-2013

I spent a lot of time in China so I tend to be a bit defense on their behalf even knowing that it is not a free country. Wrong forum for politics so I will shut up now.

secondchance · 04-19-2013

It was Rockauto and this part was listed as AC Delco part. Note it was ordered along with spark plugs.
I am copying and pasting e-mail confirmation.

Part Number
Part Type
Price EA
Core EA
Quantity
Total

No Vehicle Specified

ACDELCO

R44LTS6
Spark Plug

$ 1.41
$ 0.00

8

$ 11.28

1994 CHEVROLET CORVETTE 5.7L V8 DOHC

ACDELCO

2131545 (213-1545)
Manifold Pressure (MAP) Sensor

$ 40.79
$ 0.00

1

$ 40.79
Shipping

First Class Mail, Priority Mail

$ 8.27
Order Total

$ 60.34

Thank you for paying with PayPal Express. Your order will ship when your PayPal payment has been processed.

secondchance · 04-19-2013

Quote:

Originally Posted by Corvettes White

I spent a lot of time in China so I tend to be a bit defense on their behalf even knowing that it is not a free country. Wrong forum for politics so I will shut up now.

I have no issue with the fact that anything is made in China. Actually, I am hoping that Chinese parts I buy work the way they are suppose to since US made parts for my Z is becoming more and more difficult to find. It's sub-standard part failing prematurely that trouble me.

04-19-2013	#1
secondchance Join Date: Aug 2006 Location: McLean, VA Posts: 3,723	Chinese made MAP sensor About 2 months ago my Z was sputtering (a little different from hesitation). So, I suspected a bad MAP sensor (from earlier experiences) and ordered this one, I think, from the Rockauto - not 100% sure though. When I disassembled the MAP sensor mount it turned out to be the MAP sensor hose connection between the hard plastic line and the rubber fitting - way too loose. So, I used some crazy glue, RTV sealant and zip-ties to repair the hose. And since my MAP sensor was 4-50,000 miles old and I had a new one, I replaced with the one pictured. About 3 days ago the symptom came back. Upon disassembly I found the MAP hose to be fine and fitting tight against the plastic hose - hmmm... Just in case, I dug up the last one I removed and replaced it with the new one I had installed about 2 months ago and the sputtering went away - replacement part I used had gone bad in 2 months! I am posting my experience and a pic of the unit that did not live up to expectation here so that the others will avoid similar mishap.

04-19-2013	#2
GOLDCYLON Join Date: May 2007 Location: Peoria, AZ Posts: 9,120	Re: Chinese made MAP sensor So this was the failed unit ? __________________ GOLDCYLON - 91 ZR-1 #2014 GOLDCYLON - 90 ZR-1 #2794, 4L60e (Formerly Schrade's) GOLDCYLON - 11 CTS-V Arizona State Director 91 WHITE/BLACK #2014. 380 P&P&PCed,Ported Heads, Jeal Long tubes, Corsa Exhaust/FIKSE FM-5s /LED TLs, LED Headlights, Front Wilwood 6 piston narrowlite calipers and rear Wilwood caliper street shop mod,CNCed Coolant Pipes,TPI Cvr,Filter cover,Stainless Bolts, DRM/DOM PROM /ZFDOC mod build #102,DRLs,BMAD with stainless Debris Screen,Coplan Air Blaster, Pioneer APP Radio 4,Brey-Krause HB,Sub Bar,Fire extinguisher seat mount,DRM Coilovers,LEDs everywhere,Compass mirror (orange),V1 DIC hidden display, Homelink sun visor, Carbon Fiber top x3 and APSIS Carbon Fiber interior, APSIS CF Steering Wheel/NAPA Leather, Banski trailing arms, Guldstrand front suspension,urethane bushings from Prothane (total suspension) ZFDoc drive shaft safety loop, raptor shift light (orange),AO engineering louver front plate, Console seat cushion, 96CE seats with black custom Sheepskins, ss billet catch can,Viper remote entry/alarm,Cragar Rear Louvers,LED side louver lights, Dewitts Radiator with SPAL fans and a Woods 160 T-Stat 90 RED/BLACK #2794. 4L60e Automatic Stage V by RPM Transmission, TCI Dedicated TCM, OBX Stainless Headers, Corsa Exhaust, SAN Secondaries and Haibeck PROM, Exotic Muscle Coil overs, LED Interior Lights, LED Tail Lights, LED Headlights, 94 Sport seats with black custom Sheepskins , Cragar rear louvers, GS Front calipers, Banski Trailing arms, APSIS Carbon Fiber steering wheel, Front and Rear Baer Eradispeeds, DRLs, Guldstrand front suspension,urethane bushings from Prothane (total suspension), Dewitt's Raditor with Dual SPAL fans and a Haibeck 170 T-Stat 11 RED/GREY CTS-V

04-19-2013	#5
Corvettes White Join Date: Dec 2003 Posts: 480	Re: Chinese made MAP sensor I put the blame on Rockauto for buying it in the first place. Or having it made for them with no quality control. George

04-19-2013	#7
Corvettes White Join Date: Dec 2003 Posts: 480	Re: Chinese made MAP sensor I spent a lot of time in China so I tend to be a bit defense on their behalf even knowing that it is not a free country. Wrong forum for politics so I will shut up now.

04-19-2013	#8
secondchance Join Date: Aug 2006 Location: McLean, VA Posts: 3,723	Re: Chinese made MAP sensor It was Rockauto and this part was listed as AC Delco part. Note it was ordered along with spark plugs. I am copying and pasting e-mail confirmation. Part Number Part Type Price EA Core EA Quantity Total No Vehicle Specified ACDELCO R44LTS6 Spark Plug $ 1.41 $ 0.00 8 $ 11.28 1994 CHEVROLET CORVETTE 5.7L V8 DOHC ACDELCO 2131545 (213-1545) Manifold Pressure (MAP) Sensor $ 40.79 $ 0.00 1 $ 40.79 Shipping First Class Mail, Priority Mail $ 8.27 Order Total $ 60.34 Thank you for paying with PayPal Express. Your order will ship when your PayPal payment has been processed. Last edited by secondchance; 04-19-2013 at 10:16 PM.