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P0300 and p0171. 05 suburban z71 4x4. I change the spark
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I have a 04 Tahoe LS. 2 months ago car just shut off on me
Hi, Tom. I'm Monique. I have a 04 Tahoe LS. 2 months ago car just shut off on me while driving. After diagnostic, I had the radiator replaced. Also had codes P0171 & P0174 for running lean, P0442 for … read more
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Chevrolet Silverado 1500: I have a 2003 Chevy Silverado 1500
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I have a 2004 Chevy Suburban with some engine codes. Error
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I have a 2000 chevy suburban with a 5.3 4wd. The transmission
I have a 2000 chevy suburban with a 5.3 4wd. The transmission was slipping and my buddy at the transmission shop plugged in his computer. He received a code that my hand held scanner couldn't see. It … read more
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Avalanche..145,000 miles 5.3 v8 Z71 package, and I..check engine light
Dan, I have a 2004 Avalanche with 145,000 miles 5.3 v8 Z71 package, and I am getting the check engine light on and off periodically. When it comes on it is on for a week, then after the vehicle sits f… read more
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2002 Chevrolet Tahoe Z71: idling..Overdrive..accelerating..the tranny
I have a 2002 Chevrolet Tahoe Z71 with a 5.3 Liter Vortec which has been running sort of rough. The main issues are that the engine feels like it is mis-firing while idling, it gets worse when under l… read more
BOBBYSS
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2005 chevy: no fuel filter..eng..fuel pump..regulator
codes p0171 and p0174 show up and no fuel filter on 2005 chevy avalanche flex with 5.3 eng. Is it the fuel pump or the fuel press. regulator? What would you suggest?… read more
GM Tech (Cam)
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2002 chevy suburban: trouble code..mass airflow Sensor..solinoid..pan
I have a 2002 chevy suburban, I am getting trouble code P0753, initially i was also getting P0174 and P0171, I traced the P0174/P0171 to the Mass Airflow Sensor, and was able to clean and get those co… read more
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03 che 1500 van, 5.3L...temps are from 0 to 45 deg f..No vacuum leaks
I have an 03 che 1500 van, 5.3L. I am at 6,000 ft and the temps are from 0 to 45 deg f this time of year. No vacuum leaks, good fuel pressure. and all other sensors appear to be reading correctly. It … read more
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2004 Suburban: PO171..the fuel pump, air filter..fuel injection
2004 Suburban We got the diagnostic codes PO174, PO171, PO300. Is the proper procedure for these codes replacement of the fuel pump, air filter, and fuel injection service?… read more
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2002 chevy: suburban..intermittently..stalls..FuelPump
2002 chevy z71 suburban 127k - truck intermittently stalls and generally lacks any power when stepping hard on gas. Service Engine Soon light is on. Codes indicate Ox Sensor #1 bad for both Bank 1 and… read more
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2003 Chevy suburban: Runs great..engine dies while in traffic
Dan, I've been having problems with my 2003 Chevy suburban. It has the 5.7 E85 engine. Runs great but then the engine dies while in traffic. I pull over, wait a few seconds, restart engine and continu… read more
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I have a 2002 Tahoe with the flex fuel 5.3. Mileage is 104,000.
I have a 2002 Tahoe with the flex fuel 5.3. Mileage is 104,000. I have had no engine issues until recently. The engine starts spuddering, backfires if you push the gas. It is very intermittent...it wi… read more
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1996 chevy blazer: 4.3L..4 wheel drive &..check engine light..p300
I have a 1996 chevy blazer 4.3L engine, 4 door,XXXXX& have for the past 5 months not been able to get rid of my check engine light...initially code p0300 & p1441 came up...mechanic changed the fuel in… read more
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2002 chevy: code po174 on cold days 40f and below in the afternoon
Code PO174 on cold days 40F and below in the afternoon it go,s away 2002 chevy sub 1500 help… read more
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1999 Chevy Suburban: 000 miles, maintenance is up to date..heavy rain
I have a 1999 Chevy Suburban. 127,000 miles, maintenance is up to date, however recently have had an issue on 2 occassions. It has happened on days where we have had very heavy rain all day. Wife driv… read more
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