20 Most Recent 2005 Pontiac Montana Questions & Answers


It possibly can be a bad or weak strut that is rubbing on the tire.

2005 Pontiac... | Answered on Jan 18, 2019


The system may need a recharge

2005 Pontiac... | Answered on Jan 08, 2018


See if there are small holes on each side of the radio. If there is slip a paper clip in each one to release the clasps and pull out. Or take it to best buy, they'll fix you up. Did my f35

2005 Pontiac... | Answered on Dec 27, 2017


I paid $150 the first time it came on to replace the speed sensor
The next 250 times it came on I ignored it. The cause can be 50 different things. Eventually I took it in for 7 different problems and found the harness was wearing on the transaxle. Problem solved

2005 Pontiac... | Answered on Sep 19, 2017


Without test main componets on the vehicle we would only be guessing . Doing electrical checks , hooking up a professional scan tool an viewing engine data etc. your best bet ,take it to a qualified repair shop . Spend the money for an hour diagnostic time .That is unless you like guessing an just replacing parts
047 Engine Hard to Start or No Start Scan Data for Ignition
048 Engine Hard to Start or No Start Scan Data for Starting Problems

2005 Pontiac... | Answered on Sep 06, 2017


If it had to be charged, it probably has a leak. Check low side pressure. If low, repair leak and recharge. If pressure is good, please get back to us for next troubleshooting step.

2005 Pontiac... | Answered on Aug 11, 2017


follow and check these parts. put everything back as it was before, except the battery.
pic-8869500773440560096-1600x1200-1jb3n2h3ssngvy4t1xzbaf0q-2-0.jpeg you may need to use a meter or a live tester bulb. check that voltage is connecting to the relevant connections.

2005 Pontiac... | Answered on Jul 07, 2017


Not sure about the storage bins BUT,if you have side airbags in the seats make sure the seat covers are "side airbag" compatible.

2005 Pontiac... | Answered on Jun 02, 2017


The PCM detects that the MAP sensor voltage is more than 4.3 volts for 3 seconds.
This DTC may set due to poor idle characteristics. A possible cause may be uncontrolled fueling due to an open or high resistance in the HO2S 1 low signal circuit. Before replacing any component, ensure that this condition does not exist.
2
Turn ON the ignition, with the engine OFF.
Monitor the DTC information with the scan tool.
Is DTC P0641 also set?
--
YES - Go to Diagnostic Trouble Code (DTC) List - Vehicle
NO - Go to Step 3
3
Observe the throttle position (TP) sensor parameter with the scan tool.
Press the accelerator pedal slowly until the throttle is in the wide open position.
Release the accelerator pedal slowly until the throttle is returned to the closed position.
Repeat this procedure several times.
Does the TP sensor parameter increase steadily to more than the first specified value, and then decrease steadily returning to less than the second specified value?
98%
1%
YES - Go to Step 4
NO _ Go to DTC P0121
4
Start the engine.
Observe the MAP sensor parameter with a scan tool.
Is the voltage more than the specified value?
4.3 V
YES - Go to Step 6
NO - Go to Step 5

2005 Pontiac... | Answered on Jan 27, 2017


If your Montana has DRL, the fault may be in that module.

2005 Pontiac... | Answered on Sep 19, 2016


I've had vibrations - was the tires - belts shifted - look for bulges or uneven wear.
Could be bearings or steering components (tie rods; ball joints; etc).

2005 Pontiac... | Answered on Jul 17, 2016


Probably under hood....theres usually a fuse box on drivers side over wheelwell...

2005 Pontiac... | Answered on Jul 12, 2016


Could be a broken tie rod end or even something simple like a lost wheel weight. Look and see if one or more of the wheels has a mark where a wheel weight was and is now missing or just take vehicle to shop for tire balance and rotation.

2005 Pontiac... | Answered on Jul 11, 2016


It may just need an oil flush and filter change, yes.
It could also be the oil pressure relief valve that is sticking.It may even be the oil pressure transmitter switch that is faulty (not a big job to replace..).
However, try a filter and oil change first. Before the old oil is drained from the engine, try adding an oil sludge clearance additive. Link below will show you what it looks like.
oil flush Google Search

If the oil pressure relieve valve is sticking, the additive-flush may unstick it, before you fill with fresh oil. Use a quality oil - not a cheap brand

To put things into context, as oil breaks down with miles and age it becomes less 'pumpable' around the engine. If there was something wrong with your engine in the crankcase area you would probably begin to hear knocks and rumbles as the bearings break down. You haven't mentioned any noises.. I don't think you have much to worry about.

The first thing you do is flush the oil system using an additive and then refill with fresh oil and a filter. You can also add an 'oil booster' additive if you wish:
oil booster Google Search

2005 Pontiac... | Answered on Mar 03, 2016


mass air flow is on the air filter duct, o2 sensors are on exhaust pipe ones close to manifold other one is near catalytic convertor

2005 Pontiac... | Answered on Mar 10, 2015


Dirty IAC, throttle blade, cable binding, bad sensor input. Any codes set?

2005 Pontiac... | Answered on Feb 02, 2015

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