Tag Archives: Pressure

Find help article about car or truck pressure problems. From fuel pumps to air conditioning. Online auto mechanics answer questions for free.

Nissan Altima PCV valve

I replaced a PCV valve on my wifes 2002 Nissan  Altima. and now it smokes out the exhaust when i start it up. when i drive it down the road and it warms up it stops smoking. It did not do this with the old PCV valve in it. ANSWER: You did not tell us the reason…

Continue reading

Chevrolet Malibu Transmission Codes And Slipping Problems

I have code dtc p1887 how do I fix it thanks. 2003 Chevy Malibu 3.1L. That code is for an problem inside the trans. The P1811 code is normally caused by a bad transmission pressure control solenoid. GM has released a technical service bulletin that outlines the cause of this problem and the fix. Or…

Continue reading

Acura Integra Low Oil Pressure Warning Light On

Live Chat: I HAVE A 1992 ACURA INTEGRA AND MY OIL LIGHT SEEMS TO BE FLASHING. I HAVE CHECKED MY PRESSURE, I HAVE REPLACED OIL SENDING UNIT, I HAVE LOOKED OVER EVERYTHING AND STILL UNSURE OF WHAT THE CAUSE COULD BE? You say you checked the pressure? What was it? It starts up at 80…

Continue reading

Engine Has No Oil Pressure To Lifters Or Rocker Arms

I am having problems with a 2009 Chevy GMC 8.1 engine. The rocker system is not oiling. What causes this and how can I fix it? Do you have an oil pressure gauge on the dash? Yes we hooked 1 up 50 pound of pressure idling. 50 PSI at idle is quite high on this…

Continue reading

2003 Chevrolet Monte Carlo Starts And Stalls

I have a 2003 Chevrolet Monte Carlo with 3.4 Liter engine. I have had all kinds of starting issues…..First it would only start on the 2nd try for quite a while. I replaced the fuel filter, fuel pump, crank sensor. Finally got where it would not start at all. I broke down and took it…

Continue reading

Burning Coolant Smell On 2001 Ford F-150 After Repairs

Had a coolant leak, got it fixed by a mechanic almost a week ago . I still get steam, and odor. I took it back they checked the pressure again and it checked okay. Is it normal for this to happen this long after. The mechanic said the leak was pretty bad, and there may…

Continue reading

Ford Air Conditioning Problems As Temperature Gets Warmer

With the warmer temperatures coming a little bit early this year, we have seen quite a few cars coming in the shop with air conditioning problems. Once people start using their air conditioning, they make a bee line to the shop if it is not cooling properly. Usually we can hook up our A/C machine…

Continue reading

2007 Chevy Equinox Freon Pressure Problem

2007 Chevy Equinox: HVAC A/C- 1) A/C on/off button not functioning, press to off and system still running as A/C, toggling/pressing repeatedly still no change 2) system ices up (suction hose) when on low fan but doesn’t on high fan? ProTech: Does the compressor come on right away when starting the truck with the A/C…

Continue reading

Tire Pressure Light Description and Operation

Tire Pressure Monitor System Description The tire pressure monitor system was developed many years ago to alert the driver to a tire that is loosing air. As one or more tires lose air because of a leak as compared to the other tires, a warning light or message will come on the dash. A module…

Continue reading

2005 Chevy Trailblazer Runs Rough at Idle With No Compression

#1 cylinder in my 2005 Trailblazer has no compression. I applied air pressure and it sounded like the exhaust for no air came out f the throttle body. There was air coming out of my # 5 cylinder with the #1 at TDC. wanted your opinion on if you think it is an exhaust valve…

Continue reading

2003 Chevy Venture 5 Volt Reference Codes

I am getting code P1639 on my Chevy Venture van 2003. This is supposed to indicate a low 5 volt reference at the AC pressure sensor and the fuel tank pressure sensor. I have measured the voltage going to both sensors and get 5 volts. This is a gray wire in both cases. The AC…

Continue reading

1999 Chevy Malibu Low Coolant Light Flickering

I had just put in a brand new radiator on my 1999 Malibu, and the coolant low light will not turn off, the coolant should be full up, but the light doesn’t turn off and the car stays at a even temperature just a hair above the mid point. Mechanic JK: OK. I think i…

Continue reading