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GM jimmy: have 4.3 vortex its misfiring already changed plugs,cap,rotor,wires,crank
have 4.3 vortex it's misfiring already changed plugs,cap,rotor,wires,crank sensor,fuel filter,fuel pump,checked compression it's ok checked for fire at coil and plugs it's ok don't know what else to d… read more
supermechanic
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Vocational, Technical or Trade Scho
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GM Suburban: I have a 96 Gmc Suburban 4x4 with the 5.7 liter
I have a 96 Gmc Suburban 4x4 with the 5.7 liter engine. Has spark, has fuel pressure still wont start. It just spins over. Replaced plugs, wires, rotor button, cap, ignition module in the distributor,… read more
Gary
Gary
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Vocational, Technical or Trade Scho
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1997 Gmc: v6 129..multiple sensors and coil nothing changed..rotor
1997 Gmc jimmy 4.3 vortex v6 129,468 miles The problem started out as a P0300 after swapping out multiple sensors and coil nothing changed. I leave for a work up for about a month come back and the p0… read more
GM Tech (Cam)
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1998 gmc: 4x4 wont start..it cranks but no spark..new battery
my 1998 gmc jimmy 4.3 4x4 wont start, the fuse box on the dash #4,10,16 are not working and the fuse box in the engine compartment there are eight that are not working , the fuel pump is working , it … read more
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i own a96 jimmy 4.3.changed crank sensor and mass air flow fuel pump is good have spark turns over wont startbackfiring at throttle body and flooding . iam stumped any information woluld be helpfull t… read more
Dave Nova
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1992 gmc: put 2 fuel pumps..wont start how much fuel pressure
1992 gmc jimmy put 2 fuel pumps in new first had 12lbs the one in now has 25 lbs still won't start how much fuel pressure should it have? has a 4.3 vortex.. if pressure is ok whats next ugh..lol… read more
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1994 gmc: cranks..wont start..running fine..it just wouldnt start
i have a 1994 gmc jimmy with a vortec motor. i have good fuel pressure, i have good spark, but the engine only cranks and won't start up.it was running fine and when i came out of work it just wouldn'… read more
Ivan
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Gmc: fuel pressure..rpms..fuel filter, remove the cat..ignition coil
I have a 01 gmc jimmy 4.3 l idles good but under acceleration hesitates fuel pressure 52 while failing , and rpms do not go over 1200. repair made; fuel filter, remove the cat, new ignition coil. mayb… read more
zzdaryl
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Blazer: injectors bad but it..driven..wont start..crank sensor
have a 1998 jimmy blazer was running had a slight miss due to injectors bad but it still ran and was driven dailey put some gas in it the other day and it shut off on me crank it and it wont start it … read more
GM Tech (Cam)
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I drive a 96 Jimmy 4.3, 250,000 miles..cold start..runs great..highway
I drive a 96 Jimmy 4.3, 250,000 miles. Has a great cold start and warmup. Burns no oil, runs great on highway, lot of power. After warmup the idle goes bad, and get engine light codes of "check plugs,… read more
Dave Nova
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92 gmc: starts fine..runs fine..it just cranks over and wont start
I Have a 92 gmc jimmy S15, 4.3 Vortek (144000)and is starts fine and runs fine but just started, if I go to the store and let it sit fo about 20min or so it just cranks over and wont start. I try for … read more
Joel
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Associate Degree
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gmc: gear and drove..put new fuel pump on and still same problem..dies
I came home friday with no problems....10 minutes later i was leaving but when i cranked the car it ran for 2 minuted and died ,cranked it again and i put it in gear and drove off but it bogged down a… read more
car tech
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1994 gmc: cranks..intake..engine starts and warms up starts everytime
1994 gmc jimmy s15 4.3 liter cmfi engine no start just cranks when left overnight have to put gas in intake to start already replaced fuel pump in tank and fuel pressure regulator assy after engine st… read more
JHoop
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Owner,Technician
High School or GED
I put a new fuel pump in my 94 jimmy..getting enough..new fuel filter
I put a new fuel pump in my 94 jimmy, but it is not getting enough pressure to open the injectors. Put on a new fuel filter and still the same.Fuel is getting to the injectors but nothing is going to … read more
Matt J
Matt J
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Vocational, Technical or Trade Scho
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1999 GMC: that when I test the fuel pressue--turn the key
I have a 1999 GMC Jimmy that when I test the fuel pressue--turn the key on the pressure will go to about 61 psi but will not hold, it gose back to 0 psi? could you help on this?… read more
AZ_HUNTER
AZ_HUNTER
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gmc: .engine..it starts .battery is strong,just hard starting .new
a1996 gmc jimmy 4.3 engine .engine turns over approx.30 seconds before it starts .battery is strong,just hard starting.new cap and rotor last august and plugs.is this some kind of fuel problem… read more
Mcgruder73
Mcgruder73
Auto Technician
Associate Degree
1998 gmc: 4x4..none present, installed new dist/plugs/wire/ign coil
1998 gmc jimmy 4.3 L 4x4- engine will spin over but not fire-scaned for codes and none present, installed new dist/plugs/wire/ign coil still will not start, spin over but no fire… read more
john
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1997 GMC Sonoma: the transmission and now it wont start
I have a 1997 GMC Sonoma 4.3 Vortec. I have replaced the transmission and now it wont start. I also replaced the distributor fuel pump and the injectors (spider) it wants to start but it just wont tur… read more
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GM Tech (Cam)

GM Tech (Cam)

GMC Mechanic

5,848 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

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car tech

car tech

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Chris (aka- Moose)

Chris (aka- Moose)

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Paul M ASE Master

Paul M ASE Master

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ASE Master Tech 20+ Years

Anthony

Anthony

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GM Certified

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Amedee

GMC Technician

470 satisfied customers

ASE certified tech with advanced level specialist. Wisconsin certified emissions state inspector

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