RELAY #'s for; Fuel Pump, MAf Burnoff, MAF Power, MAF Sensor, ECM & PROM
05-30-2017, 02:17 PM
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RELAY #'s for; Fuel Pump, MAf Burnoff, MAF Power, MAF Sensor, ECM & PROM
1988 IROC-Z 505l TPI w/AT. It was built in Van Nuys CA USA for Export to Canada.
What are the replacements numbers NOW as most likely original numbers are discontinued?
Problem is trying to resolve a intermittent SEL. There is no change in engine except light comes and goes. Sometimes it's on at start-up and sometimes it's not. Can come come on while driving and later it goes off. Throws a code 34.
What are the replacements numbers NOW as most likely original numbers are discontinued?
Problem is trying to resolve a intermittent SEL. There is no change in engine except light comes and goes. Sometimes it's on at start-up and sometimes it's not. Can come come on while driving and later it goes off. Throws a code 34.
05-30-2017, 03:04 PM
#2
Re: RELAY #'s for; Fuel Pump, MAf Burnoff, MAF Power, MAF Sensor, ECM & PROM
1227165 ecm
https://www.thirdgen.org/forums/tpi/...nces-they.html
http://www.chevythunder.com/maf_code_34.htm
http://chevythunder.com/prom_bcc_1988.htm
http://www.3rdgenformula.com/88/promcodes.htm
https://www.thirdgen.org/forums/tpi/...nces-they.html
http://www.chevythunder.com/maf_code_34.htm
http://chevythunder.com/prom_bcc_1988.htm
http://www.3rdgenformula.com/88/promcodes.htm
Last edited by Tuned Performance; 05-30-2017 at 03:22 PM.
07-12-2017, 07:09 PM
#4
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Re: RELAY #'s for; Fuel Pump, MAf Burnoff, MAF Power, MAF Sensor, ECM & PROM
I have a bunch of the original used relays laying around, as I have replaced them all with the modern version, small square ones, four or five pin as needed. I have not had an issue using them but the connector will need to be changed. Good quality replacements using a diode across the contacts are more reliable.
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