88 5.7 bird code 34 and 45
02-20-2018, 03:00 PM
#1
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88 5.7 bird code 34 and 45
Ok guys need help car sat 10 years i put batt and fuel pump and it was alive with code 34 found out it was ecm replaced and ran fine but a lil rich its been in garage for 4 months start cpl time a month runs fine but 34 code never went away last week fired it up and idle would not drop below 1500 rps for 20 min so i replaced maf today it ran normal for about 5 min then idle dropped to about 500 and was stumbling so i gave it some gas and went bk to 1500 rpms and stayed sumtimes rpms stumble and drop and then rise bk to 1500 now reading code 34 and 45 pls help
02-20-2018, 03:18 PM
#2
Re: 88 5.7 bird code 34 and 45
You might want to start with the code 34 flow chart.
http://www.chevythunder.com/maf_code_34.htm
http://www.chevythunder.com/maf_code_34.htm
02-20-2018, 03:26 PM
#3
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Re: 88 5.7 bird code 34 and 45
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Still trying to solve this myself. Checked all wiring and relays they are fine.
No air leaks in ducts.
Cleaned Maf. Didn’t try other maf sensors due to price. Will try to find someone who can lend me one.
Still trying to solve this myself. Checked all wiring and relays they are fine.
No air leaks in ducts.
Cleaned Maf. Didn’t try other maf sensors due to price. Will try to find someone who can lend me one.
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