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What gives or makes happen the starting fuel supply?
I have the fuel pump hotwired to run with the key on-thinking that might be throwing off the ecm and fuel pump timer.
Anyone know the system that good?
Also, after this noise started happening, it wont go over 65mph, I'll have it floored on the freeway and it just stops speeding up, the RPM's dont go up anymore. It's not like a govern, almost like the engine idles.
Any ideas on what could be going on?? thanks!
THIS SIGHT LOOKS LIKE ALOT OF HELP SO PLEASE HELP ME OUT!
I've wire fed mine and others without even removing manifold.
Stop wasting money on this.
2] Miles.
I'll guess right off the bat, you lost your timing chain.
If it sounds like the engine spins over freely with no signs of compression strain on starter.
That's usually how timing chains and Nylon gears end their life.
To verify timing chain gone, remove distributor cap and rotate motor with starter.
If rotor doesn't spin,,, Bingo! But could still fake you out if it does move.
The chain may still have some traction, and now the timing is way off.
You'll verify #1 on compression stroke and rotor pointing at #1 wire at cap.
Replacing battery won't get you any more spark or fire more than you had if the battery still turns over the motor just fine.
The ignition coils takes the small 11 -12 volts available and makes 30,000 to 50,000 volts at the plugs.
To verify Spark, use a spare plug of anything and insert into any cable end, and keep the plug grounded to engine anywhere while engine rotates or you could taste a little kick start yourself.
I saw a guy do the puddle trick in front of me, and sure enough it died.
I pulled out my can, and he was back up and under way.
ill let you know im changing them this week
I just bought a 2000 S10, 4 cylinder. I had owned a 6 cylinder S10 that I traded in for a new van last year. I needed something small to drive around locally, so I bought the 4 cylinder model. It seems to be in good shape with only 53,000 miles. What I would like to know from any one who has a 4 cylinder S10 are the problem areas with this engine. It's the old tech pushrod overhead valve engine. Any comments would be appreciated. Thank you.
Obviously your PCM is detecting misfires but cannot isolate a perticular problem. On your model it is usally a dirty or bad connection at the crank sensor, or an intermittant problem with fuel pressure.
Here is an explanation. The PCM interprets irractic changes in the pulses coming from the crank sensor as misfires. Basically, your vehicle skips a beat due to any number of reasons and the PCM sees it as random misfires. Check the plug to the crank sensor and see if it is oily or dirty. I would also invest in a fuel pressure guage and verify there isn't any drops in fuel pressure. You have a engine that needs at least 55-60 psi fuel pressure at all times, or the fuel injectors will not spray fuel. GM has a poppet inside the injectors that prevent opening unless there is sufficient pressure, even though they are being told to open by the PCM. Good luck.