Question about 1990 Mazda MX-5

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Car systems oil gage , revecounter,temp gage,and indicators have sstoped working all at once?

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Check your fuses or look for a bad ground to the instrument cluster.

Posted on Dec 25, 2008

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I have a 1950 235 at cold I have good oil pressure but at running temp very low pressure the car runs great no knocking great power car temp is 170


Pete, it is the tendency of an old oil pump to pump weaker as it warms up, pump screen or tube could also be plugging. Could be a faulty gage, maybe try a different gage to verify pump could be wearing/weak.

5 Common Oil Pump Failure Symptoms DoItYourself com
Diagnose Oil Pump
Auto Repair Maintenance How to Check if an Oil Pump Is Bad

May 22, 2016 | Cars & Trucks

2 Answers

My engine overheating problem is in my 2000 land rover. The fan is running and the electric fan comes on at correct engine temperature. After start up the engine runs normal the temp gage rises slowly to...


the usual suspects are:
stuck shut thermostat
clogged raiator
dead water pump
low coolant level
it's sunday, rovers don't work on sunday.
Then again, maybe its wednesday, rovers take half a day then. 25322555-21syibu3fgwpdxocjnkpw0ib-5-0.jpg

Dec 15, 2014 | Cars & Trucks

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I own a 01 vw passat and my temp gage only works once in awhile and my heat also works once in awhile! If the temp gage don't work will that make me not have heat?


You likely have air in the cooling system, and the air bubbles are in the heater core, which takes heat from the coolant and puts it in the cabin air.

I have put a post in about trying to get air out of the cooling system, but essentially, unscrew the 3 screws holding the coolant reservoir down, and lift up the corner that does not have tubes coming out of it so that it is standing on end. That will help get the air bubbles out. Then start the car and let it warm up for 3 to 5 minutes at idle so that the thermostat opens. That should accept a lot of coolant. Then keep adding coolant and standing the reservoir up until it doesn't accept any more.

Sep 09, 2013 | Cars & Trucks

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Gauges going crazy


Euc? Do you mean ecu, the computer? Don't think so. Something in the cluster, maybe the little voltage regulator on the back of the cluster. But if the engine light is flashing, definitely have it scanned for trouble codes, first, to see why the light is on. The light may indicate a poor link or connection with the cluster.

Aug 13, 2013 | GMC Envoy Cars & Trucks

1 Answer

Check gage light is on


check engine light usually indicates a bad sensor. check gauges light usually controls temp,oil pressure and battery gauges. may wanna have it checked out. good luck and hope this helps

Aug 13, 2012 | 2005 Saturn ION

1 Answer

I have 1994 grand cherokee Jeep, Jeep heats up and will not start the temp gage is not working; i have replaced the thermo sts sensor and gasket. The temp gage on panel still doesnt work... My Jeep also...


white /light blue smoke is a sign of a blown head gasket or intake gasket when you changed the oil filter was it creamy cause if it was then is a head gasket

Apr 08, 2011 | 1994 Jeep Grand Cherokee

1 Answer

I have a 2003 Bonneville. The oil pressure gage is spiked at 120. Over the past couple of years I have had to put a quart of oil in between oil changes only every once in a while. Since this problem with...


chances are the oil pressure sending unit is not working or unplugged it is located by the oil filter. the low level oil sensor is in the oil pan and is not related to the gauge .make sure to tell the parts person weather oil sending unit is for a gauge or a light

Feb 17, 2011 | Pontiac Bonneville Cars & Trucks

2 Answers

2003 impala temp. gage goes high & low and no heat comes out of heater. it continues to cycle like this as I drive. When temp. gage goes up the heater quites.


Have u checked the coolant level? this type of problem useualy indicates the coolant is low, if it is low you need to have the engine cooling system tested for a leak, the coolant goes out somewhere.

Jan 29, 2010 | 2003 Chevrolet Impala

1 Answer

What is the check gauges light


CHECK GAGES light (1) indicates a potential engine failure(low oil pressure, low coolant, coolant overheating) has occurred.
· Check gages and shut down engine. Gages should read as follows: Oil pressure 5 to 10 psi (34 to 69 kPa) at idle; Water Temp gage below 230 degrees (110 C).
· Check engine oil level (Para 2-11) if OIL PRESS gage indicates low reading. Check coolant level (Para 2-11) if Water Temp gage indicates high reading. Notify Unit Maintenance if levels are low.

If CHECK ENGINE light (2) is on, check engine oil pressure gage (3) and water temperature gage (4). If both indicate normal, proceed with mission and then notify Unit Maintenance. If either one does not indicate normal, stop engine immediately and notify Unit Maintenance


Oct 16, 2009 | 1999 GMC Jimmy

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