Question about 1992 Chevrolet C1500

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Low power in low rpms, higher rpms runs ok

Have changed cap, rotor button, spark plugs, fuel filter, timing gears &chain. changed timing. happened when shut off in evening. next morning no power

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CK EXHAUSR GFOR SELL OF SILPHUR. Catalyctic converter appears to be restricted.

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My 1995 jx suzki sidekick 16 valve fuleinjection vehicle runs ok for about 2 miles, then i lose power. then it starts drift out of gear. you can floor the gas peddle and nothing happens. IT will sputter...


id not guess, there are 50+ reasons for misfire, yours is that.
the only way to diagnose a EFI problem is to use, tools .
got tools?
first tune it up, spark plugs, wire-set, cap, rotor and fuel filter & air filter. do the 60k tune up with a new timing belt if the belt slips all engine power drops, and misfires, and compression drops real low.
use a tool called a compression gauge.
1: the wrong gas cap will cause the fuel pump to stall. get a cap that is factory rated,with a real vacuum breaker.
2: low fuel pressure, use a , gauge .
3: injectors leaking or clogged, same gauge finds same failures.
there is no need to guess. and throw expensive parts, ever.
here is 43 ways to misfire here.
http://www.fixkick.com/misfiring.html

Apr 16, 2013 | 1995 Suzuki Sidekick

1 Answer

89 s10 blazer 4.3 bad misfiring


check the firing order could have wires crossed. Also make sure wires are not crisscrossing that would allow firing between wires.
next check for wires coming too close to exhaust and melting causing the spark to jump to the engine.
harder check to see if the timing chain jumped a tooth. line up timing mark and see if the rotor is pointing at number 1 plug wire or could be pointing to opposite side.
less likely would be fuel pressure problem as this would cause no start with low pressure. if the pressure is too high check the fuel return line to see if it is clogged up. easy blow air through with compressor and blow gun.
if clogged remove and clear or replace.
regulator out of range then replace and remember to run some Fuel Injection cleaner to prevent the problem in the future.
good luck

Feb 16, 2013 | 1989 Chevrolet S-10 Blazer

1 Answer

When setting the timing marks together distributor always points to #6 not #1 put new timing chain & gears in but cant get it timed right 5.2


Is it possible to turn the distributor shaft 180 degrees and reinstall the dist ?
I am assuming you have spark at the plugs, just not at the right time ?
If the distributor has not been moved, and the rotor points to the wrong wire, you could have put the cam gear in upside down ?

Jul 01, 2012 | Dodge Cars & Trucks

1 Answer

1994 Chevy Suburban K1500 5.7L v8 157 thousand miles.. replacing timing chain on the vehicle and after replacement truck ran steady at 1k RPMs. During idle in park the following day the truck died, re


First you need to retrace your steps...before you changed the timing chain and gears did It run ok ? what was initial problem, next put a fuel pressure gauge on your fuel line and cycle your key on to run pos, dont have to try start, just run and see if you have fuel press during the 3 sec or so pump cycles, should be around i think 35-45 roughly for tbi. so if you have good fuel pressure , then you say you have good spark, then your problem is either ingition or valve timing, did your dist.come loose, did you properly install chain & gears and align timing marks. did you have somethine else a part on it too like intake, dist, ? get back with me I'll try to help you.

Apr 09, 2012 | 1994 Chevrolet Suburban

1 Answer

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
EGR valve
spark plugs
spark plug wires
ECM or distributor cap & rotor
cabin air filter
transmission oil filter
transmission oil
engine coolant
check all vacuum hoses and lines

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.

Aug 17, 2011 | 1993 Mitsubishi Mighty Max

2 Answers

My truck is extremely sluggish and when reved up it has several misses. The sluggish, n the standard, is at the beginning of the gear..at the end of the gear it gains its power or fuel. Where or what is...


IF YOU GOT GAS ENGINE.PROBLEM COULD BE STOPPED UP FUEL FILTER OR WEAK FUEL PUMP.LOW ENGINE COMPRESSION.BAD SPARK PLUG + WIRES + ROTOR AND CAP ALSO BAD COIL CAUSING WEAK SPARK.IF YOU HAVE DIESEL ENGINE SLUGGISH.PROBLEM COULD BE RESTRICTED AIR FILTER DIESEL.INJECTION PUMP TIMING OUT OF ADJUSTMENT.FAULTY EGR AND EPR VALVES.RESTRICTED EXHAUST SYSTEM STOPPED UP MUFFLER PLUGGED FUEL FILTER.PLUGGED FUEL TANK DUE TO FAULTY FUEL CAP.MISSING PROBLEM COULD BE CAUSED BY DIRTY OR FAULTY INJECTORS. THE INJECTION PUMP TIMING OFF. AIR IN FUEL.OR FUEL RETURN SYSTEM RESTRICTED.STOPPED UP FUEL FILTER.OR USING INCORRECT FUEL OR ITS CONTAMINATED.

Apr 12, 2010 | 1989 Chevrolet C1500

1 Answer

95 chevy blazer - engine turning over but not turning. replaced cap & rotor + fuel filter.


3 things make an engine run, fuel, electrics and gearing, first thing, remove the cap and crank the engine, determine if the rotor is moving, this will eliminate a broken cam, sprockets, chain or broken teeth on the distributer. next with the ignition lights on rotate the roter button by hand in between contacts, you should hear and see small spark, replace the cap and crank engine with a plug lead off, ask a friend to see if it is sparking onto metal nearby. Next remove fuel line and crank engine to see if fuel pushes from the line. then that leaves gearing, timing must be correct, check the lead numbers are in correct firing order and timing is right. Hope this guide helps you, Good luck

Nov 19, 2009 | 1988 Acura Legend

1 Answer

2000 corolla sluggish when accelerating, fine at higher RPMs


Try changing out your distributer cap and rotor button. Let me know if that solves your problem.


Thx

Aug 01, 2009 | 2001 Toyota Corolla

1 Answer

Low power in low rpms, seems to run fine 3000 plus rpms . changed plugs,rotor button,fuel filter,timing gears&chain.set timing. timing don't seem to be changing when throttling up. can change seems to...


have you checked your vacumn system for leaks this is usually what will cause this type of problem. the best way to check it would be to take a can of ether and spray along the vacumn lines and fittings if your idle changes you found a leak

May 18, 2009 | 1992 Chevrolet C1500

1 Answer

Truck stalls


try advancing the timing a bit that mite help

Apr 04, 2009 | 1991 Toyota Pickup

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