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1991

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Engine problems
Hi Victor. Thanks for sending your question and posting the videos. It sounds as if you've got a rather serious engine knock, likely a damaged intake valve lifter or rocker arms that are loose. Usually, this type of damage occurs...
Question
engine rattling
Hi Victor. Thanks for contacting us tonight. Anytime a vehicle sits for more than three months, it's recommended to change the oil and filter in the engine and transmission. When the oil is not constantly used, and not brought to...
Question
Wipers work only every once in awhile and sometimes won’t shut off
It sounds like you may have a faulty windshield wiper motor or module. When you turn the wipers on, a relay transmits power to the module which controls the motor. In some cases, any of these components may fail, resulting...
Question
Engine makes rattling noise
The sound you are hearing is likely related to the lack of sufficient oil in the motor. When this happens, a number of things may cause the motor to not run properly or not start. As the motor overheats, the...
Question
engine rattling noise
Claimed by John Hege
Question
I have white smoke coming from front of car after driving roughly 30 min. The car temp does not show overheating.
White smoke generally indicates that you may have an internal engine problem, such as a head gasket leaking coolant into a cylinder. If white smoke is blowing out from the exhaust during first 3 minutes of a cold start up,...
Question
I need advice on my 1991 ford explorer
Catching up with leaks that have accumulated over time can be a big job. If your radiator isn't holding coolant, It's probably best to replace it than to try to fix it. There are a lot of replacements available for...
Question
I have A 91 honda accord with shaking and acceleration issues
This problem of loss of power can be caused by more than one of several causes and would need additional diagnosis to isolate cause. The most common causes are low fuel pressure, distributor failure, and misfiring ignition system. I recommend...
Question
Intake valve
Changing the oil won't do anything relative to that noise. Check to be sure the oil level is not too low though. If it's a stuck valve, you might be able to determine that indirectly by compression testing and measuring...
Question
Will the crank shaft pulley still spin if the timing belt has busted?
If the timing belt broke, the crankshaft pulley will still spin regardless. The crankshaft pulley is what spins the timing belt, which then rotates the valve train assembly. Depending on how this happened and when it happened, this may have...
Question
if my truck stalls as soon as i put it in gear is it the Torque converter?
Hi Julian. Thanks for contacting us today. It very well could be that your issue is caused by a worn out torque converter. However, it's also possible that you have a faulty fuel system component or damaged ignition system part...
Question
my 1990 ranger's rear brakes locked up. Now i can only drive in neutral.
Hi Brian. Thanks for the question. Although it's hard to give you an accurate diagnosis without inspecting the vehicle personally, it appears as if you've got a transmission, driveshaft or rear differential failure. If you're able to move the vehicle...
Question
location of blower motor resistor on a 1991 Audi Quattro 20v
In the ventilation network near the blower motor, look for a 4 wire (4 terminal) connector that is attached to a small rectangular steel plate that is held to the duct with one screw. The resistor elements are attached to...
Question
Battery over charging new alternator new voltage regulator and new battery
Hey Joe. Thanks for sending the question today. When an alternator is reading higher than it should, there are three possible sources. Either the ECU which controls the production of the alternator is damaged, the alternator itself has an inner...
Question
'91 Corolla making rapid rattling sound under hood. Is something loose?
There are many components that can cause rattling, ranging from the exhaust system to accessory drives and pulleys to even certain internal engine malfunctions or a loose/faulty torque converter or flex plate. In addition, there can be multiple (coincident) causes....
Question
I have no presser at my pedal after repaceing my cluch
Distinguishing between the two is often a moot issue because if one has failed, typical practice is to replace both components (the master and the slave). Replacing both is cheaper in the long run because the internal rubber seals have...
Question
Car wont start or crank
If the starter is not functioning, the electrical fault could be in any component, or wiring segment, in the starter circuit. No one component is any more likely than another and thus the standard practice is to simply trace the...
Question
i have a 91 chevy v-8. i replaced the fuel pump,fuel filter,
Hi Carla. Thanks for contacting us today. In most cases, this issue is caused by debris inside the fuel lines or an obstruction on the fuel pump pick-up. Although it might seem simple, sometimes a fuel filter installed backward can...
Question
Acura NSX won't start
Reverse polarity, at the battery, in a 12 volt electrical system on a car can cause a variety of effects including damaging the alternator, diodes and the numerous microprocessors on a vehicle such as those in the powertrain control module...
Question
Speedometer light does not work but all other dash lights do. The bulb is good
When you have cluster back exposed you need to recheck the bulb sockets and bulbs and test contacts for bulbs to make sure they get power and ground. The other lights and speedo and rpm gauges all use same circuit...

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