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2004 Pontiac Bonneville SE Issues

6 messages,  Last post on May 23, 2008 at 10:15 AM

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#3 of 6 Re: 2004 Pontiac Bonneville SE Issues [imidazol97] by josiah624 May 22, 2008 (10:27 am)
Replying to: imidazol97 (May 22, 2008 5:33 am) Thanks for the blower tip! I checked at lunch today and it has leaves at the bottom (inaccessible with just my hand). I'll stick my shop vac in there tonight and suck 'em out.   Just curious why a voltage problem would only affect the OPG? Car starts fine and all other electronics (and gauges) are A-OK.   Oh, and I live in Florida, so... Replies to this message: imidazol97 (May 23, 2008 8:02 am) josiah624 (May 23, 2008 9:36 am) imidazol97 (May 23, 2008 10:15 am)
#4 of 6 Re: 2004 Pontiac Bonneville SE Issues [josiah624] by imidazol97 May 23, 2008 (8:02 am)
Replying to: josiah624 (May 22, 2008 10:27 am) There have been a few problems with oil pressure sends. Usually it's going to max. Check connections on it. And I'd think about replacing it. You could always connect a manual pressure gauge to that connection and drive for a while to see if you're getting fluctuation because of the pressure control valve that limits the maximum pressure from the pump.   It might be worth changing oil to see if a new filter and oil affects the symptoms.   What does the voltage gauge do during the fluctuations? A few have had a drop in voltage at low engine rpms which then catches and goes back to normal after a second. Alternators work great but there's something in the voltage regulator that's quirky.   Problems with connections on battery usually cause more than one thing to show symptoms. Replies to this message: josiah624 (May 23, 2008 9:36 am) imidazol97 (May 23, 2008 10:15 am)
#5 of 6 Re: 2004 Pontiac Bonneville SE Issues [imidazol97] by josiah624 May 23, 2008 (9:36 am)
Replying to: imidazol97 (May 23, 2008 8:02 am) Voltage has been steady. No fluctuations that I've noticed. Usually the OPG drops but then shoots right back up almost immediately. Sometimes when I notice it has dropped, I'll rev the motor and it will shoot back up immediately as well (but it would do it on its own even if I didn't rev the motor). Replies to this message: imidazol97 (May 23, 2008 10:15 am)
#6 of 6 Re: 2004 Pontiac Bonneville SE Issues [josiah624] by imidazol97 May 23, 2008 (10:15 am)
Replying to: josiah624 (May 23, 2008 9:36 am) How many miles on the car?   What does the oil look like? What kind of oil and weight? How long has it been in the car? Miles?   What filter brand was used?   I think I would change the oil and filter to eliminate them.

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