cooling issue running 240 to 250 constant
Thread Starter
Joined: Aug 2011
Posts: 2,379
Likes: 10
From: San Diego, California For Now
Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
cooling issue running 240 to 250 constant
just check whats my trouble code and it is trouble code 12 and 51 ? i have 89 camaro rs 5.0 tbi with k&n air filter and 2.5 in exhuast with flowmaster last owner had removed the cataylitic converter car runs fine idle is around 2500 i belive i drove 100 plus miles the other day only isssue is it runs 250 for coolant temp i just got 160 thermastat new coolant temp sensor and about to flush fluid with water then put in 50/50 mix as got airdam and chin spolier off 90 camaro i know its either the prom or ecu but not sure where to start to troubleshoot
Thread Starter
Joined: Aug 2011
Posts: 2,379
Likes: 10
From: San Diego, California For Now
Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
Re: cooling issue running 240 to 250 constant
thanks /
Supreme Member
iTrader: (8)
Joined: Jul 2001
Posts: 3,204
Likes: 7
From: New Boston, IL, USA
Car: '90 Formula 350
Engine: 383 SBC
Transmission: ProBuilt S/S 700-R4 & ACT 9" Stall
Axle/Gears: 10 bolt 3.23
Re: cooling issue running 240 to 250 constant
If idle is around 2500 that's way way to high. Are fans kicking in properly? If they are not it could be a blown relay or a bad temp switch.
Thread Starter
Joined: Aug 2011
Posts: 2,379
Likes: 10
From: San Diego, California For Now
Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
Re: cooling issue running 240 to 250 constant
yea fans kick in around 250 or so
Supreme Member
iTrader: (8)
Joined: Jul 2001
Posts: 3,204
Likes: 7
From: New Boston, IL, USA
Car: '90 Formula 350
Engine: 383 SBC
Transmission: ProBuilt S/S 700-R4 & ACT 9" Stall
Axle/Gears: 10 bolt 3.23
Re: cooling issue running 240 to 250 constant
That sounds way to high. Either your gauge is wrong or you have issues with the sender/switch.
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