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It's junk. 1998 Tahoe 5.7. I just replaced the lower intake
I just did lower intake gaskets and it won't start. There is spark and timing is correct. The fuel pump primes but there seems to be very little if any pressure at the rail. I do not know what pressure is because my gauge is broken but I can say that when I open the schraeder valve I get a gurgling noise not the typical spraying or leaking of fuel. I believe the problem is with the new fuel pressure regulator I installed when I had the upper intake off. … read more
Gary
Gary
Chevy Technician
Vocational, Technical or Trade Scho
9,642 satisfied customers
New ac delco fuel pump. new mpfi spider injectors. new fuel
new ac delco fuel pump. new mpfi spider injectors. new fuel pressure regulator. … read more
Tim's Auto Repair
Tim's Auto Repair
mechanic
High School or GED
8,884 satisfied customers
I have a 96 K1500 5.7 that the fuel pressure is 52 on
I have a 96 K1500 5.7 that the fuel pressure is 52 on initial start up and then sits about 48-49 while running. Shut off, spikes to 53 then after about 2-3 minutes, loses about 3-4lbs of pressure. Pum… read more
roy
roy
Associate Degree
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Chevrolet Tahoe 4x4: we have a 99 chev Tahoe 5.7 when warmed
we have a 99 chev Tahoe 5.7 when warmed up and with any load Passing or heavy gas pedal it has major miss and sometime backfires we did replace the spyder injector and the crankshaft sensor tested fue… read more
Gary
Gary
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Vocational, Technical or Trade Scho
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Chevrolet: 2001 chevy truck 3500HD 8.1 gas. Truck started
2001 chevy truck 3500HD 8.1 gas. Truck started to bog down under medium to heavy gas pedal. I can floor it in 2nd gear and it will not pick up power. Only when I back off to about 20% pedal. Acts like… read more
Tim's Auto Repair
Tim's Auto Repair
mechanic
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Chevrolet C1500 4x2: I have a 1996 Chevy C-1500 5.7 liter Vortec
I have a 1996 Chevy C-1500 5.7 liter Vortec V-8 350. my problem all started one day i was driving down the road and the truck just shut off while driving, it did not shutter stumble or anything just s… read more
Gary
Gary
Chevy Technician
Vocational, Technical or Trade Scho
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1999 Chevy Tahoe: p300..Misfires..running rough..idle and hesitates
Hello, I have a 1999 Chevy Tahoe with a 5.7 Vortex, it is coding P0300, Random Multiple Misfires, no other codes. It is running rough on idle and hesitates really bad. I can hear slight backfires at s… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
Vocational, Technical or Trade Scho
15,756 satisfied customers
97 chevy tahoe: cylinder miss fire..new fuel pump..gas peddle
97 chevy tahoe 5.7 vortech #5 cylinder miss fire (code po305) autolight plugs in it the gap was way to close like .015 insted of 60 - did a compression check on #5 read 195 - so friday they are puttin… read more
Tim's Auto Repair
Tim's Auto Repair
mechanic
High School or GED
8,884 satisfied customers
99 classic: new motor in it with 80000 milies..trans is fine
My 99 classic chevy tahoe with the 5.7 wont brake stand and burnout. It will burnout if im turning but if I hold the brake and give it gas it wont do a burnout. It has a new motor in it with 80000 mil… read more
Gary
Gary
Chevy Technician
Vocational, Technical or Trade Scho
9,642 satisfied customers
1996 chevy tahoe: vortec..problem starting..wont down shift and bogs
1996 chevy tahoe vortec has problem starting. have to prime then runs. wont down shift and bogs out when you give full throt. fuel pump was changed .was used when changed could this be a presure issue… read more
zzdaryl
zzdaryl
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Some college and advanced training
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99 GMC: vortec 5.7...trouble starting sometimes but not consistantly
Got a 99 GMC sub. vortec 5.7. Problem: has trouble starting sometimes but not consistantly. No service engine codes. It has also just started dying while driving. I stop it and put n park then it star… read more
Tim West
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Computer/ Automotive certifications
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Tahoe: stalling..line fuel filter and drained about 1 gal..ran fine
my 04 tahoe was running ruff and stalling on me about a month ago i got a ceck engine light on and scanned it. it said it was running lean. i changed the in line fuel filter and drained about 1 gal of… read more
BOBBYSS
BOBBYSS
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Associate Degree
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97 Chevy: with a 5.7 Liter engine..fuel pressure..30 seconds
I have a '97 Chevy 1500 Truck with a 5.7 Liter engine. It had a no start issue, I replaced the fuel pump- the fuel rail pressure was 42 lbs. When I replaced the fuel pump, at Key On Engine Off, the fu… read more
AMEDEE
AMEDEE
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Vocational, Technical or Trade Scho
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impala: it runs fine untill it reaches nomarl operating temp..it bogs
my car is an 01 impala it runs fine untill it reaches nomarl operating temp. then when I step on the gas it bogs out no check eng. light… read more
Scott
Scott
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96 chevy: 4wd..fuel filter..running fine..quarter throttle stumbles
I have a 96 chevy 1/2 ton 4wd truck with 5.7. I recently replaced fuel pump,fuel filter and plugs. everything was running fine for 400 miles now I have issues at anything over about quarter throttle s… read more
Carhelp4u
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99 Chevy tahoe: new fuel pump..new starter..fuel pressure regulator
Would a bad 02 sensor cause a 99 Chevy tahoe not to start? Car will wind, new fuel pump, new relay, new starter, but will not start, and if gas is not held down it sounds like it is almost backfiring.… read more
Adam
Adam
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Associate Degree
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1996 Chevy Tahoe: the fuel pump, fuel filter..intake..getting fuel
I have a 1996 Chevy Tahoe with the 5.7 vortec. I have replaced the fuel pump, fuel filter, and lines. The fuel is coming up to the intake with a good amount of pressure but it still is acting like its… read more
Wrenchtech
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616 satisfied customers
1996 Chevrolet Tahoe: it gas, it stalls..It runs fine when idling
I own a 1996 Chevrolet Tahoe. When I give it gas, it stalls. It runs fine when idling, but if you give it gas it stops. It will crank back and run fine until you give it gas. HELP!… read more
Bill
Bill
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GM Tech (Cam)

GM Tech (Cam)

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Gary

Gary

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Tim's Auto Repair

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Dave Nova

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Don - Mo Lurch

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Ron Z.

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18+yrs experience. State Inspector and Chevy Diagnostics

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