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Engine mifiring at higher RPMs, tachometer spiking up
Try to replace the ignition module and coil which is mounted top right side of the motor. The ignition module supplies the tach signal and the coil supplies the spark to the plugs. It is a good idea to replace...
No gas getting to the engine
The easiest thing to check is to listen to the fuel tank when the engine is cranked to see if you hear the fuel pump run. If you hear it run, then check the fuel filter for it being clogged....
rough idle
The fuel injectors on this engine can commonly get carbon buildup on the tips. This will cause the engine to run rough and have hard starts. You should try running top tier fuels in our car that have cleaning abilities...
hard crank and smells like gas, spider injectors or mass flow
If the gas smell is coming from engine area and there is no leak that can be seen. Under the intake manifold is a fuel injection system that can leak fuel into the intake manifold. This will cause hard start...
No power?
Hello, thanks for writing in about your 1996 GMC Jimmy. There are at least three big fusible link wires that come off the alternator and battery that power everything. You have to check each one to see if they are...
No crank no start
No crank conditions are inherently caused by bad connections. The question to ask is where that bad connection is. As simple as this sounds, identifying a bad connection isn't a factor of what a physical connection looks like. You can...
Will Not Go In Park.
It sounds like you may have broke the shift mechanism trying to get it out of park. Since it's now broken it won't engage anymore. I'd suggest have the system checked by a certified mechanic, like one from YourMechanic, to...
I went to start it and it turns over but just wont start
Your Jimmy most likely has a week fuel pump. A cold motor needs more fuel to run than a fully warmed motor. With this motor you can add fuel to get it started. I suggest starter fluid because it can...
Problem with not dying
Hello there, thank you for asking about your 1994 GMC Jimmy. The engine would need to be checked for a stuck open EGR valve or a major vacuum leak. The most common cause is the EGR stuck open with carbon...
Getting 2 then 4 abs codes, brake shutters, speedo dies and engine slowes when Brake and absolutely lights come on,
You definitely want to start by inspecting the front and rear wheel speed sensors; a failure in these circuits will result in several other problems. Begin by connecting a scanner to see if the Powertrain Control Module (PCM) is registering...
Wiring issue when ABS Light does not work - 1997 GMC Jimmy
Hello. You may be having a problem with fretting corrosion in the vehicle harness connections to the ECM, BCM, ABS, TCM or other modules. You would need to have the battery disconnected and module connections disconnected inspected for any problems...
Strong gas odor after vehicle is shut off
Hello there, many different faults can cause your 2000 GMC Jimmy to have a gas smell after shutoff. You are able to smell the fuel vapors due to a EVAP leak. The most common would be a loose gas cap,...
why am i loosing power, spits and sputters then is fine.
Hello. It sounds like you may have several different problems with this vehicle. The starting issue sounds like you may have a failure in the fuse box or in the starter relay, most of the time though it is caused...
No tail lights or dashboard lights
Hello there, you have a few different issues going on with your 1995 GMC Jimmy. If the problems started after the radio was installed than the installation likely cased your lighting and power issues. The most common causes are a...
How do you know when the thermostat is stuck when the meter is broken?
Hello. If the engine is leaking coolant then the reservoir is always the first part to read low. I usually start by checking for any visual leaks on the ground or on the engine. The most common cause of a...
My oil pressure switch went out and haven't been able to start it since, what could be the issue? I have since replaced the part.
Hi, thanks for writing in. I recommend checking the fuel pump fuse and especially the fuel pump relay. Make sure you are getting power from the ignition switch to trigger the fuel pump relay. On newer (incl. 2000) GM vehicles,...
Heater, windows, sunroof, and mini counsel have all stopped working at the same time
Hi, thanks for writing in. I'd be happy to provide my insight. If all of these accessories stopped working at the same time it may be possible that a fuse or relay has failed. Many vehicles will use one fuse...
Repair on radiator, one month later the radiator had to be replaced
Hi, thanks for writing in. I believe that you are correct. I believe you should pay for the radiator and the labor to install the radiator but not pay for the original service because this did not resolve your issue....
If you replace a starter does it have to be specific to that vehicle
Car starters can often look very similar. The problem is there may be small differences that cannot be caught by the eye - the mounting may be different, the gear teeth might not match and will chew up your flywheel,...
can i put a 1997 gmc jimmy starter in a 1996 gmc jimmy and it work?
Hello there, thank you for asking about your 1996 GMC Jimmy. If the engine is the same size and both vehicles have an automatic transmission then they should be the same. If you see anything looks different when you go...

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