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My 1996 2wd v6 chevy 1500 silverado is backfirng, has little black chunks spit from exhaust pipe and shakes pretty bad when driven
Hi Dawn. Thanks for contacting us today. Usually the symptoms you are describing are caused by a clogged or damaged catalytic converter, a vacuum leak or an exhaust leak. It's also possible that your fuel system is clogged with excessive...
Question
Truck does not start after sitting for a couple hours it's acting like it's out of gas but with a full tank i have to choke it off
I believe these vehicles actually have throttle body injection. These systems on many GM vehicles are commonly failed items on the engine. I would recommend having a technician who is proficient in diagnosing throttle body injection issues inspect your throttle...
Question
Misfiring at high speed
Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft...
Question
Fuel pump
There is a very good chance that your fuel pump is toast. That's a common problem with fuel injected cars. whether or not the fuel pump lives in the tank, most cars made since about 1985 pass the fuel through...
Question
How do I get my communication back with my ECU on my 08 Silverado 4.3 -U0100 code after I installed new ignition starter switch
Prior to performing diagnostics be sure you have a fully charged battery that passes a load test. Then, confirm that the engine immobilizer system (security system) is not activated thus preventing the car from starting. Be sure the keys are...
Question
Is there a way you can send me the bolt pattern for the transmission on the 94 Chevy S10 LS manual transmission
Brian: Two different cases were used in your model year. Both cases are depicted at this link. Just click on the exploded diagrams for each transmission model and you will see the case in detail as well as all of...
Question
I have a 94 Chevy S10 4.3 L L S I am trying to remove the transmission to repair the clutch but need to know if I have to remove t
This job cannot be performed without the factory service manual in hand as there are too many critical bolts (including frame bolts) that must be torqued to factory specification and, as well, the flywheel surface MUST be measured for run...
Question
My AC is messing up after heavy hauling.
It would be difficult to say for sure that the compressor is the issue without having it inspected by a qualified professional first. I would recommend asking to mechanic you are taking the vehicle to to give the AC system...
Question
Starter grinding
It sounds like you may have a starter solenoid that may be causing the starter gear not to fully engage the flywheel, resulting in the grinding sound you hear when turning the engine over. A faulty starter solenoid will generally...
Question
chevy silverado 1500 is slow in 1st gear but runs fine in reverse
The transmission has different clutch packs for different gears inside the transmission and you most likely have worn forward clutch packs. I would recommend having the transmission pressures checked and computer codes checked and also fluid checked for burned smell...
Question
Whining noise from my truck moments later it turned off while driving
Hi Melvin. It's quite possible that you have broken a serpentine or drive belt on your Silverado. However, it's also possible that a drive line component may have also broken. The only way to know for sure is to have...
Question
Changing fuel filter issue
You have to make sure the filter gets into the slot on the bracket and the bracket is pulled out away from filter and then wrapped around to get screw to reach by pushing screw with screwdriver.
Question
Starts but stalls immediately
Hi Gianni. There could be multiple reasons why you're having this problem, ranging from fuel delivery problems due to an improperly installed fuel pump, fuel filter, faulty fuel pump relay or obstructions in the fuel system. Without knowing the specifics...
Question
How to remove cv axle fm diff after everything removed?
Hi Eliza. Thanks for writing in to YourMechanic.com today. Unfortunately, we can't attach diagrams or instructions through this forum on how to complete this task. The best advice we can offer is to purchase a service and repair manual for...
Question
Overheating
Despite not having water in the oil, you may still have the beginnings of a blown cylinder head gasket. A blown head gasket may cause a number of different symptoms. Coolant in the engine oil, an engine misfire or oil...
Question
What parts would I supply and how
Hi Gianni. Our mobile mechanics offer an onsite inspection that would likely be very helpful to you if you're wanting to work with a different mechanic. The inspection for this instance would be a car starts then dies inspection. You...
Question
System not charging and everything bat alt tested out as Good
It sounds like you may have a failing voltage regulator. When the voltage regulator is not working properly, this may result in the alternator allowing too much power to be delivered to the battery resulting in damaging wires and prematurely...
Question
1997 GMC Safari SLX 4.3L I Just install a coolant temp sending unit. now my motor wont start. but dose when unplug. what could be
The coolant temperature sensor sends a signal to the ECM to enrich the mixture when the engine is cold (cold engines need more fuel at initial start up), otherwise you will have hard starting or perhaps no starting. Something is...
Question
Oil pressure switch was just changed in a 1997 Cherolet Astro Van, the pressure gauge has always read around 40, now reads 80. The
Hi Diana. Thanks for contacting us today. Usually when the engine oil is overfilled, it will cause excessive oil pressure to build inside the engine. This is probably why the gauge is reading 80 now. In regards to how this...
Question
Is there an adjustment on the oil pressure switch?
There are generally three types of oil pressure sending units. The earlier model vehicles were designed where the switch is mounted in the output side of the oil pump to which a connecting tube is attached. This links up to...

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