Question about 1992 GMC Jimmy

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92 gmc jimmy 4wd cpi. NEW, fuel pump, fuel, filter, gas tank, spider lines, pick up coil, coil, module, oil pressure switch, spark plugs, wires, cap and rotor and it still will not start!!! ugh 65 psi at the straiter valve, the wire going to the spider line has pulsating power when the key is turned, its starts and sputters out when i spray starting fluid into the intake. right now the phlenem is off and no fuel comes out of any of the injecters when i turn the key. bad spider lines?? thier brand new. anybody, anybody, anybody, anybody, bueller

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  • Brad Brown Aug 04, 2010

    CPI uses an injector pump that this lines connect to. Di you replace that or the just the lines? What about the crank sensor?

  • jammers4fun Aug 04, 2010

    its a spider line. its one whole unit with the regulater and lines. does it have a crank sensor? i didnt c 1 in the chiltons book

  • Brad Brown Aug 05, 2010

    Get a scan tool and see what the codes are that are present in the computer.

  • jammers4fun Aug 05, 2010

    thier r no codes, it was a bad spider line, auto zone sucks balls, first they gave me the wrong fuel pump, than the new spider lines where bad cause i got a new set and they worked. only good thing is all the parts i bought were at cost and i did all the work, so all in all i spent about 950 and got about 3000 worth of work, needless to say the car will run for 10 years with out a problem

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I have a 1990 mitsubishi might max it wont run smooth unless you keep your foot on the gas and keep the rpms up a little bit and it wont drive cause it stalls everytime you try to move it. ive replaced the...


You've already eliminated the spark plug & wireset, distributor cap & rotor.
Sounds like your car needs a tune-up, specifically, the PCV (positive crankcase ventilation) valve, and/of the EGR (Exhaust Gas Recirculation) valve.

Components checked/replaced during a tune-up are:
air filter
motor oil
motor oil filter
breather filter
fuel filter(s)
fuel strainer
PCV valve
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spark plugs
spark plug wires
ECM or distributor cap & rotor
cabin air filter
transmission oil filter
transmission oil
engine coolant
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Troubleshooting the no-start condition - from the 1990 Mitsu Mighty Max Repair Manual:

Priority Action Part Type -- Cause
1 Inspect Battery -- Battery Discharged or Faulty.
2 Inspect Battery Cable -- Corroded, Broken, Shorted or Poorly Connected Battery Cable.
3 Inspect Distributor Cap -- Distributor Cap Cracked or Burned.
3 Inspect Fuel Filter -- Clogged or Dirty Fuel Filter.
5 Inspect Ignition Coil -- Faulty Ignition Coil.
6 Inspect Wireset -- Worn, Damaged or Faulty Spark Plug Wire(s).
7 Inspect Spark Plug -- Incorrectly Gapped or Fouled Spark Plug(s).
8 Inspect Starter -- Starter Motor Faulty.
9 Inspect Fuel Pump -- Low Fuel Pressure.
10 Inspect Solenoid Switch -- Faulty Starter Solenoid Switch.
11 Inspect Fuel Pump Relay -- Faulty Fuel Pump Relay.
12 Inspect Fuel Injector Pressure Regulator -- Faulty Fuel Injector Pressure Regulator.
13 Inspect Ignition Switch -- Improperly Connected or Faulty Ignition Switch.
14 Inspect Starter Drive -- Faulty Starter Drive.
15 Inspect Fuel Injector -- Dirty or Worn Fuel Injectors.
16 Inspect Fuel Pump Strainer -- Clogged or Dirty Fuel Pump Strainerat.
17 Inspect Engine Control Computer -- Incorrect Operating Information Being Delivered and Sent From The EEC.
18 Inspect Fuel Tank -- Fuel Tank Empty.
19 Inspect Carburetor -- Carburetor Flooded or Faulty Choke.
20 Inspect Distributor -- Worn, Loose, or Incorrectly Installed Distributor.

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94 jimmy.. have replaced almost everything.. smells like gas inside..all gas lines replaced..was running alot better then couldn't get it started almost like it flooded..starter fine..replacedall fuel...


i have a 1994 gmc jimmy 4.3l cpi. i could not pass the emission test.hard to start, spuddered, and smell of gas was strong. long story short, i replaced my spider injectors, good to go. $278 brand new from auto zone.

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Will not start


hello there friend. sounds like your hitting your head against the wall. :)
engines only need a few things to run..your task is to determine what is missing...1, they need fuel, to checked this attach a fuel pressure guage to se if geting at least about 40psi (cant remember spec)..if you have fuel pressure, check for spark at spark plug...remove plug and attach wire to plug, grounding it out against engine block ..away from any engine wireing as it can send a voltage spike through system causing further damages...if you have fuel, and you have spark, you must then check to see if you have ai..compresion to be exacy..remove spark plug and crank engine over..see if you can hear air hufing in and out of cylinder..if you have a compression guage install it, your pressures shoudl be within 10% of each other across all cylidners. if not you may have an inernal engine failure..there are many more questions..when and why did it stop running, how was it running prior to failure, etc... is the engine oil saturated with fuel from leaking injectors? this could cause the rings to wash out and not build up compression...i hope thuis helps you out...

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