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Temp increases during idle - 1993 Pontiac Grand Prix

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Check to see if your electric cooling fan for your radiator kicks on.

Posted on Aug 01, 2008

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1962 Corvette. Replaced voltage regulator. Temp gauge now reading hot. Temp increases with RPM increase. At idle 180. Increase RPM, and Amp 220. Heat gun true 175. Help


What is the system charging voltage? An over voltage condition could cause this. Why not just hook up an after market gauge? The factory gauge is junk and as cheap as they could make it. And yes I have owned Vett's.

Oct 20, 2016 | Cars & Trucks

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Why do my temperture gauge rise when im idle and drop when im moving 2002 Infiniti qx4


Hi Delevain:
This is a fairly normal circumstance.
When you are moving, there is an increased flow of air through the radiator. That cools the fluid, and thus the lower temp indication.
When you are stopped, there is very little air flow through the radiator (just from the fan) which results in the engine being able to heat the fluid faster than it can cool in the radiator. And the temperature increases.
As long as the temp does not increase to the point where daage could occur, all should be good.
Cheers.

Feb 19, 2016 | Infiniti Cars & Trucks

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I have a 2005 grand prix gt temp guage reads normal and heat is on and warm when start driving heat gets colder or if i change to defrost its cold air doeasnt stay hot car doesnt over heat though changed...


The heating coil is probably getting plugged up. You may have heat at idle or slow speeds, but once you get going, there is not enough coolant going through it to stay warm. Get the system flushed or replace the heating coil.

Jan 23, 2014 | 2005 Pontiac Grand Am

1 Answer

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Idle air control (IAC) control rpm idle during idle.

Test it on idle with ALL electrical on full force.
RPM should increase.
If RPM remain the same then IAC is question.

Jan 13, 2014 | 1993 GMC Suburban

1 Answer

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Check coolant level. As you increase rpms, coolant circulation increases, and vise versa.

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1 Answer

98 suzuki sidekick 1.6L several malfunction codes 0141 H02S circuit malfunction, 0335 CKP sensor malfunction, 0510 CTP Switch malfunction, and 1408 MDP sensor malfunction. Issues are bad fuel mileage


that is a 12vdc power problem.
the sensors are failing , many do to lost power. (12vdc electrical distribution power)
so use a voltemeter, i bet even at he cig lighter port the voltage drops
below 13.3v running, way below. infact.
are your battery terminals clean,
is the rested voltage at the battery terms 12.6v (keys in pocket)
no? then the battery is being discharged,

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choke control coolant temp sensor intake temp sensor air temp sensor. ck all of this

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1 Answer

My oil and water temp and pressure flucuate when it gose from idle to driving


oil pressure is going to increase with higher RPM's ,at an idle it should be around 20psi,at running speed the oil pump is pumping faster and it could clime to 60 psi.
water temp though you should check coolant level or think about a new thermostat

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2000 Suzuki esteem wagon, rpms race when car is rolling


check the throttle position sensor. that should be whats wrong.

Jul 22, 2009 | 2000 Suzuki Esteem

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