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Jimmy

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Question
Warning light coming on
Are and of the gauges not acting like they normally do? On your vehicle a common failure is of the oil pressure sending unit. When this happens your gauge will display zero oil pressure and cause the check gauges light...
Question
Transmission fluid
Hi There, Dextron VI is what replaced Dextron II and III. I would strongly suggest trying to locate or have Dextron VI shipped to you if it is not available locally as this is the correct and recommended transmission fluid...
Question
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...
Question
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....
Question
Heater hose is leaking
Hi. Hot coolant is pumped through the heater core. Heat from that coolant is then blown through the heater core and into the passenger compartment by the blower fan. Signs that your core is leaking include moisture on the passenger...
Question
How much does it roughly cost to fix the p0304 code on a 2000 gmc Jimmy
Hi there. The cost of the repair would depend on the problem that is causing the misfire on the #4 cylinder. It can be as simple as needing a new spark plug to as expensive as an engine rebuild if...
Question
Gmc jimmy started sounding like a go kart even louder upon accelerating.
Hello, thank you for writing in. The increase in engine noise is very likely due to an exhaust leak. As with my own personal S10 at this age, the exhaust manifold gaskets are the first to go. You may also...
Question
Location of the fuel pump 1992 GMC Jimmy
Hello - the fuel pump in your Jimmy is located inside the fuel tank, and is accessed from the top of the tank. This requires removal of the spare tire, and the fuel tank from the vehicle to replace. For...
Question
when i put on the right turn signal both tail lights blink like hazard lights
Hello, thank you for writing in. There is a service bulletin out for this issue on GM vehicles, and you may want to check you VIN to see if your vehicle is included. The bulletin is: #PI01946A. The culprit is...
Question
the rear wiper motor just chatters and won't move
Hello, thank you for writing in. To start, take a good look at the wiper and its linkage. Make sure nothing is obviously broken. If everything looks to be intact, then turn to the motor. There are plastic gears inside...
Question
Transmission will not go into gear when warmed up
Hello. From what you describe it would appear that your vehicle may be experiencing some sort of potentially serious transmission issue. If the transmission was having issues prior to mixing in the additive it may be possible that doing so...
Question
I feel a bit of hesitation when slowly rolling forward, but not when accelerating quickly.
Hello, thank you for writing in. The vehicle could be hesitating for several different reasons. The first thing to check would be the air intake system. This would include the air filter and air intake sensors. The sensors are best...
Question
Rough idle with ac and defrost on
A rough idle may be caused by many different things such as low fuel pressure, low voltage to the fuel injectors, dirty fuel injectors, a vacuum leak, a faulty Oxygen sensor or a dirty or failing idle air control valve....
Question
Will removal of sway bar cause my truck to lean even when parked to one side? 1997 GMC Jimmy
Hello - no, a broken sway bar won't cause a tilt to either side just sitting there - only while turning. Your problem sounds like one of the driver-side springs, probably the front, has weakened. This causes the tilt you...
Question
There is a popping noise coming from the rear passenger side.
Hi there. The constant velocity (CV) shaft is making the sound as you make a turn. The outer bearing is seizing up and clicking the bearings in its race. I recommend replacing the CV shaft to that side. It is...
Question
When I'm driving get to 30mph the rpm shoots up and doesn't go fast gets to 50 and rpm is over 3 changed all oils
Considering the mileage on the vehicle, it's be hard to be exact. The poor fluid condition may be the cause of the transmission slipping or it may be the effect of mechanical issues in the transmission. A good rule of...
Question
There's no pressure in my brake pedal
If you had multiple components of the brake system replaced and have already repaired leaking brake lines, then the next thing you need to do is verify that the brake master cylinder is full of fluid and stays full. Once...
Question
My car won't shift into third gear.
This may be related to a faulty transmission control module. This may or may not be related to your mudding experience, as sometimes the symptoms of this can be random or intermittent. A faulty transmission control module may cause a...
Question
When stopped at traffic light. My car hesitates and pops in the engine compartment unless you hold down the gas pedal.
Hello there, many faults will cause a popping noise in the engine compartment of your 1998 GMC jimmy. You have done well replacing the spark plugs, wires, cap, and rotor. If the problem is still there after all those repairs...
Question
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...

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