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I am getting code po174 and code 171 : 4.3 : my chevy blazer
my chevy blazer lack power at low speed sometimes , check engine light came on with code po171 and po174 … read more
Gary
Gary
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Vocational, Technical or Trade Scho
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I got 99 camaro 3.8 v6 and throwing a po174,i replace my
I got 99 camaro 3.8 v6 and throwing a po174,i replace my intake gasket upper and lower, o2 sensor, fuel filter, spark plugs, engine runs good but still throwing po174, i try to clen throttle body and … read more
Shane Bassetti
Shane Bassetti
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Just changed fuel pressure regulator on 2004 chevy 5.3.
Just changed fuel pressure regulator on 2004 chevy 5.3. Can;t get engine to start. I am getting fuel up to the regulator but when I push schrader valve on other fuel rail, no gas comes out. I do hear … read more
Gary
Gary
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Vocational, Technical or Trade Scho
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Chevrolet Silverado 1500: I have a 1997 chevy silv. 1500 service
I have a 1997 chevy silv. 1500 service soon light came on and the codes i get are po171 and po420. what should i do?… read more
Pete
Pete
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Vocational, Technical or Trade Scho
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2003 Chevy: driving down the road today my service light came on
I have a 2003 Chevy Silverado LT 1500. when i was driving down the road today my service light came on. i pulled up the codes and i got a PO101, PO171, PO174, and PO300. I was wondering if the cold ai… read more
Dodge expert
Dodge expert
ASE MASTER TECH, REPAIR FACILITY OWNER
High School or GED
3,636 satisfied customers
96 jimmy 4.3, replaced fuel pump and fuel tank, ran..ck..maf sensor
96 jimmy 4.3, replaced fuel pump and fuel tank, ran good for a week or so, now getting codes po102 maf or vaf sensor, ck low input/po171 sys to lean bank 1/po174 sys to lean bank 2, would this be the … read more
zzdaryl
zzdaryl
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Some college and advanced training
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99 c1500 van/5.7/receiving..po171..bank 1 /po174 system
99 c1500 van/5.7/receiving codes po171, system to lean bank 1 /po174 system to lean bank 2/ and p1345 ckp/cmp correlation. what should i be cking??… read more
Dave Nova
Dave Nova
Chevrolet Technician
Associate Degree
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Special: lean..3 fuel injectors , throttle pos sensor..autozone
po171 and po174 left and right banks lean and po327 knock sensor codes, i changed all kinds of fuel components, 3 fuel injectors , throttle pos sensor,just changed fuel, and yes an ac delco not the au… read more
John
John
Associate Degree
521 satisfied customers
On a 2001 duramax Diesel, I have a po171 and po174 trouble codes...rpm
On a 2001 Duramax Diesel, I have a PO171 and PO174 trouble codes. Engine has plenty of RPM's however Transmission does not shift. Any Idea's?… read more
Jettadan1
Jettadan1
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2005 Chevy: v8..My check engine light came on the codes..PO171
I have a 2005 Chevy Express Van 1500 5.3 v8. My check engine light came on the codes are P053 PO171 PO174. I checked all my fuses and replaced all my sensors. What is the problem? Optional Information… read more
Dave Nova
Dave Nova
Chevrolet Technician
Associate Degree
7,092 satisfied customers
2005 Chevy: v8..My check engine light came..sensors
I have a 2005 Chevy Express Van 1500 5.3 v8. My check engine light came on the codes are P053 PO171 PO174. I checked all my fuses and replaced all my sensors. What is the problem?… read more
zzdaryl
zzdaryl
Lead Auto Tech
Some college and advanced training
4 satisfied customers
98 chevy: press pedal po171 po174 po302 fuel pressure..psi..map sensor
i got a 98 chevy 1500 5.0l lacks power when press pedal po171 po174 po302 fuel pressure 58 psi dont drop whe problem occurs any help maybe map sensor… read more
zzdaryl
zzdaryl
Lead Auto Tech
Some college and advanced training
4 satisfied customers
1999 tahoe: leaking manifold..about 30 mile and the light came
I have a 1999 tahoe 5.7 lt. I pulled 2 codes po171 & po174 both banks running lean. Heres the funny part everyone says a leaking manifold gasket. But when I filled it up the light turned off I drive a… read more
Dan
Dan
High School or GED
1,401 satisfied customers
Chevy: express van..3500 6.0 eng check eng light is on and it
thanks for helping me .I have a chevy express van 3500 6.0 eng check eng light is on and it givs this cods po155. po171.and po174 I need to to now what that meens… read more
autotech155
autotech155
Head Technican
Vocational, Technical or Trade Scho
182 satisfied customers
96 corvette: codes came up in which they said 1..00 miles
my 96 corvette just failed state inspection.4 codes came up in which they said 1 may take care of them all.my car has about 124,00 miles. (PO 171 system to lean bank 1)( PO 174 too lean bank 2) (PO 40… read more
Wrenchtech
Wrenchtech
Vocational, Technical or Trade Scho
616 satisfied customers
2001 Chevy: 6.0 has trouble idleing..cold weather..lean..misfire code
2001 Chevy 2500hd 6.0 has trouble idleing in cold weather until it's warm then it's fine.Show lean code in bank 1 and 2. Also misfire code… read more
VirtualWrench (L J)
VirtualWrench (L J)
Owner of LJ Auto Repair 37 years
Associate Degree
38 satisfied customers
2003 Chevy Suburban 1500: 5.3L..DTC..lean condition in exhaust (Bank 1
2003 Chevy Suburban 1500 4wd, 5.3L with 65k miles. Getting repeated DTC codes of PO171 and PO174 for lean condition in exhaust (Bank 1 and 2). Checked the MAF sensor and it was clean, changed air filt… read more
cardoctor1989
cardoctor1989
Shop owner, all make and models r
Vocational, Technical or Trade Scho
144 satisfied customers
Chevy: service light..i changed mass o, o2 sensorsers..running lean
I have a chevy 1500 work truck. service light is on i changed mass o, o2 sensorsers and its saying its still running lean. Can you help me. Thanks Steve… read more
RIP
RIP
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High School or GED
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