Question about 1998 Chevrolet S-10 Pickup

1 Answer

Random misfire s10 98 2.2 has 35 pound fuel pressuree

Replaced coil packs plugs wires throttle sensor fuel regulator fuel filter

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  • Chevrolet Master
  • 803 Answers

May need to have CKP relearn performed. Scanner required.

Posted on Dec 26, 2013

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 2005 chevy colorado runs rough and gets bad gas mileage.

Sounds like it needs spark plugs and wires, and a fuel system treatment.

Posted on Oct 08, 2008

  • 19 Answers

SOURCE: S10 pickup misifirng when light highway load

I had to rebuild my engine at 97000 miles cuz of low engine oil pressure and bad berrings

Posted on Jan 09, 2009

  • 2 Answers

SOURCE: wont start has fuel and has spark

RC ralston
Your problem is a leak in the cpi pletium most likely the pressure line has a leak
had same problem with mine $45.00 PRESSURE LINE KIT AND $15.00 GASKET FOR PLETIUM and 2 hours labor problem sovled.
You can remove vortec cover and remove air regulator to look inside pletium. I had gas vapor on driver side . that is where fuel lines are. fuel regulator is on passenger side. turn key on and look in hole and see where fuel is spraying. taking pletium off you can again turn key on and make sure where fuel is coming from.

Posted on Feb 06, 2009

bitchn65cuda
  • 70 Answers

SOURCE: 1996 s10 2.2 engine starts but idles rough and will not rev up.

Hi! You must be frustrated by now! your code is marking that the O2 sensor is bad in bank 1. Did you replace the O2 sensor that is located  before the catalytic converter?  The S10 has an O2 sensor specially made for that cat. its about 30$ That would explain for your blackened spark plugs; your pc on the car is asking for more fuel. GOOD LUCK!!

Posted on Apr 29, 2009

  • 5 Answers

SOURCE: 2003 Chevy Venture misfiring

The injector is a good possibility, although you should check for spark in the wire first, as the electrical is the weakest link in the system. Put a spare plug in the end of the wire with the plug resting on metal, then have someone crank the van to see if you have spark that far, test and replace spark plug, (do not get shocked!) then look into a new injector or a good cleaning.

Posted on Jul 17, 2009

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1 Answer

Engine light flashes when accelerating to speed over 65mph.


Consider a ground out (bad wire) to the coil pack? Or low fuel/no fuel pressure caused from a dirty/clogged fuel filter or bad fuel pump? A qualified mechanic can measure the fuel pressure and fuel output. Good luck.

Aug 12, 2014 | 2002 Jeep Grand Cherokee

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2005 isuzu ascender random misfires code


Po300 codes are system generated caused by computer can not locate real failure condition. Coil on plug engines the coil boots fail and wider gap spark plugs wrong spark plugs by design, secondary ignition wires, vacuum leaks, poor fuel quality, plugged fuel filter, low fuel pressure , leaking pressure regulator, unmetered air between mass air flow sensor and throttle body, crankcase ventilation leak.

Nov 07, 2013 | 2004 Isuzu Ascender

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98 Pontiac GRAND am


The plugs and crank sensor could have done it, but the TPS and idle air control would have nothing to do with a random miss.
A more likely cause is the ignition module or a fuel problem. You may have to wait until the problem is bad enough to kill the engine or you have more codes to check out.

May 20, 2013 | Cars & Trucks

1 Answer

2000 Pontiac Grand AM SE;4 cyclinder with Random misfire problem...


indicates a low fuel pressure problem
random misfires are predominately fuel pressure related rather the electronic
check pump operation , pressure regulator, filter , and EVAP for not venting the fuel tanl

Dec 19, 2017 | 2000 Pontiac Grand Am SE

1 Answer

My '01 impala 3.4 v-6 flat spots when COLD, at around 20mph. the idle is ruff with random misfires. acceleration is overall poor. when HOT, most symptoms go away leaving only some slight acceleration...


depending on mileage, but possible tune-up could fix it. if already done then check ignition coil pack and ignition wires also spark plugs, check vacuum hoses for leaks or porous, last injectors clogged - use some techron fuel injector cleaner (wal-mart has them). Also get the throttle body and iac valve cleaned by throttle cleaner . Also this other possibilities are to be checked and confirmed.:---- Engine running rough or misfiring can be cause by the following:

1.Defective spark plugs
2.Inadequate spark/coil, defective spark plug wire.
3. Lack of compression
4.False air leakage.
5. Faulty fuel injectors.
6. Insufficient fuel pressure.
7. Contaminated fuel.
8. EGR valve that is leaking.
9. Oxygen sensors.
10. Throttle position sensor.
11. Manifold absolute pressure sensor
12.Mass Airflow Sensor
13.Idle air control valve

--------- This should help.Keep updated.Thanks.Helpmech.

Mar 27, 2011 | 2001 Chevrolet Impala

3 Answers

2003 Ford Ranger 4x4 extended cab- diagnostics checked and got these codes- P0171, P0174, P0300, P0316. Can you tell me what they mean?


P0171------ system too lean bank#1
Po174------ system too lean bank#2
For these 2 codes, try cleaning the maf sensor (mass air flow), that is mounted in the big black hose that goes from the air filter housing to the throttle plate, if it is dirty, that will cause those 02 sensors to send a signal to the computor to lean the air fuel mixture. If cleaning it doesn't work, the sensors will probably need changing.
P0300---- Random/multiple cylinder misfire
P0316---- Cylinder misfire at start up---- first 100 revolutions.
On those 2 codes, you have to do some testing to find out why there is a misfire.
Possible causes:
dirty/malfunctioning injectors
weak coil pack
fowling spark plugs/wires
Low fuel pressure

May 11, 2010 | 2003 Ford Ranger Regular Cab

1 Answer

When idling my 2003 Acura TL the engine seems to want to almost die, also when i got on the freeway it seem to pull hard and **** like it was having trouble shifting into 5th gear. It also seems to run...


You may need to change the coil pack(s) or modular. The modular is what the coil pack(s) mount to. I'm not familiar with that engine so you may have a 3 piece coil pack, or a 1 piece. (If it doesn't have a distributor). You may first try replacing the coil wire. There is a good chance that is loose, or bad. It could also be the coil itself. Try the coil wire and if it still acts up, then try the others. Also, when you changed the plugs, did you put new plug wires? When I do a tune up on my vehicles, I change the plugs, wires, distributor cap and rotor, (coil pack,modular), whichever is equipped, oil, oil filter, tranny fluid and filter with gasket, valve cover gaskets, oil pan gasket oil filter, and fuel filter. Try changing the fuel filter as well, as plugged or dirty fuel filters can cause stall outs. I hope this information helps. Thank you for choosing fixya.com for answers.

Apr 01, 2009 | 2000 Acura TL

2 Answers

Missfire


Have you replaced the coil yet? I assume by all 4 cylinders misfiring you mean P0300 Random Misfire? It could be a number of other things - a faulty fuel injector, coil, etc. Read this article for more info on random misfires - http://www.obd-codes.com/p0300

Dec 14, 2008 | 1997 Toyota Tacoma

2 Answers

2005 chevy colorado runs rough and gets bad gas mileage.


Sounds like it needs spark plugs and wires, and a fuel system treatment.

Aug 13, 2008 | 2005 Chevrolet Colorado

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