Question about 2003 GMC Sonoma Extended Cab
Its a 2003 2.2 gmc sonoma, service light only comes on when pulling a hill under full throttle then i have to reset the code stays off till i run it hard again
Posted by Anonymous on
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Posted on Jan 02, 2017
you jave a biggie here.
here is some info
The Powertrain Control Module (PCM) monitors the difference between engine speed and transmission output speed. In D3 drive range with the TCC engaged, the engine speed should closely match the transmission output speed. In D4 drive range, with the TCC engaged, the TCC slip speed should be -20 to +60 RPM .
When the PCM detects excessive TCC slip when the TCC should be engaged, then DTC P1870 sets. DTC P1870 is a type B DTC.
CONDITIONS FOR RUNNING THE DTC
Posted on May 16, 2008
Like to other guy said, give it a tuneup. Also try SEAFOAM to clean carb up of slug. Also check to make sure the butter fly for the choke has not come loose, causing it the choke it down. Failed choke pull-off.
Posted on Feb 02, 2009
P1133 - Heated Oxygen Sensor (HO2S) Insufficient Switching Bank 1 Sensor 1
I would have the repair shop see if they either damaged or left disconnected the oxygen sensor for engine cylinder bank one upstream sensor, this sensor would have been disconnected if the oil pan was removed.
Posted on Apr 20, 2009
P0410 Secondary Air System PerformancePossible Causes Setting Conditions AIR solenoid Ignition circuit is open (check the U/H IGN fuse) AIR pump has failed (inspect air pump for water) AIR system check valves and/or pipes are damaged or leaking AIR system hoses or lines are damaged, pinched or kinked Base engine problem (e.g., excessive exhaust back pressure) PCM has failed P0300 Multiple Cylinder Misfire DetectedPossible Causes Setting Conditions Base engine mechanical fault that affects one or more cylinders EVAP system problem or the EVAP canister is fuel saturated EGR valve is stuck open or PCV system has a vacuum leak Fuel delivery component fault that affects two or more cylinders Ignition system fault (a coil) that affects more than one cylinder
Posted on Jun 08, 2009
You will need to replace the fuel level sensor which is in the fuel tank.They have a lot of problems because the metal fingers on the sensor wear off and gives you the incorrect readings.This will also cause the check engine light to come on.You will probably have a level sensor code.This will be a lot easier if the fuel level is down to about a quarter tank or less.Also you should be able to get just the level sensor and not have to get the complete fuel pump module.Good luck.
Posted on Dec 02, 2009
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