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Open Help Requests for All Makes and Models
Help Request Answers
2000 BMW 540i 4.4L MIL Lamp on
car came in with check engine lite on with multiple codes from another shop we cleared all codes then test drove car drove fine we gave back to customer then the car returned with check engine lite on again we scanned and only code 185 for leak diagnostic pump... Trouble codes: 185 (this is factory bmw code for leak diagnostic pump).		 View
1992 Chevrolet Corvette 5.7L No Start
Car came for no start .When car is cold and has not been started for about an hour it starts okay.When you restart when hot or warm it doesnt start.When this happens there is no injector pulse.Owner replaced disributor assm, thinking that was it because he tho...		 View
2005 Chevrolet Express 1500 5.3L MIL Lamp on, Extended Cranking
prior to replacement of pcm on tuesday when i get back, anyone else seen this? im curious for my own knowledge can the pcm be repaired in house? have seen chafed wire before and bad cmp, but this is a first for low voltage right at the pcm. thanks in advance! ... Trouble codes: P0342 (cmp low).		 View
2002 Dodge Grand Caravan 3.3L 3-2 downshift
Customer requested a trans flush. He said all was good just maintenance for a trip. After flush, on DOWN SHIFT ONLY it is very harsh from 3-2. On a normal decell, it feels like it momentarily slips out of 3rd gear then slams harshly into second, always about 3...		 View
1997 Infiniti Q45 4.1L Power Assist
Hi all, I replaced the steering box line gaskets and seal and flushed the fluid but there must be some air in system. I ran it for an hour turning it fully both ways to no avail. The fluid looks good (no foaming) and circulation looks good. Thank you in advanc...		 View
2001 Isuzu Rodeo 3.2L No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire
This Isuzu came in with a hard / no start condition. If we play with the throttle it will start, but it pops while trying. If once running the RPM's are held about 3-4000 it will run the best. The exhaust mainfold glows RED on the right side only just as if th...		 View
2003 Lexus RX300 3.0L security
i have an 03 lexus rx 300 and the primary key will not work. the key needs programmed and the faub needs programmed		 View
1999 Mercedes-Benz C230 2.3L Door locks
Hi Mercedes guru's, This C230 is doing strange things. The Key fob, door locks, alarm and sunroof stop working at times. She said that another shop installed a left front window switch and it seemed better, but now it's doing it again after a weeks time. This ...		 View
2002 Oldsmobile Alero 3.4L Fuel Pump
Hello All I have this Alero that won"t Start. I unplug the fuel pump harness where it comes through the floor near the tank. My powerprobe shows good ground and 12.6 V for the duration of the relay. I can power up the harness and run the pump. Pump runs fine....		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 Buick LeSabre 3.8L Surge, Cuts out
Hello and thanks for all post's, Man there was a lot of them. Most of you talked about the TPS sensor, so that's where we started. This customer is a good one to work with and was willing to try this out. So far we have not heard from him, but I am saving all ...		 27
1987 Chevrolet Corvette 5.7L engine cradle
I know this was a somewhat unusual request and I appreciate the responses I received. After sleeping on it and considering the inherent risk involved in any buy-and-sell I opted not to involve myself. The information provided help me to make a responsible ...		 4
2003 Chevrolet Impala 3.4L Misfire
Thanks to everyone who replied. The long term fuel trim continues to be negative but the momentary misfire caught by the scan tool was gone after we replaced the upstream oxygen sensor. We scanned two other W body GM cars, which were running fine, they both h...		 19
2005 Dodge Grand Caravan 3.3L No Start
FIRST OFF THANKS TO EVERYONEFOR THE INFOBUT YOU WILL NOT BELIVE what i found.this car had plenty of spark and strong fuel injection pulse.when hooking up noid light and spark tester on the same cyl, seemed to be right in synk. tryed starting fluid and vehicle ...		 10
1987 Ford Bronco II 2.9L 4WD indicator light
Thanks. I jumped to the conclusion that the switch had power to it and should have known it was a ground. Paul and Jon cleared my thinking on that. It was probably a burned out bulb but the customer decided not to replace it yet. Also good to know that Mitchel...		 3
2004 Mazda MPV 3.0L Misfire, MIL Lamp on
Hey fellas. Just wanted to close this fix request. Turns out, I made a mistake while testing the coil drivers on the MPV. What I actually saw dropping out was the primary windings in the coil. During the ramp testing initially, I wasnt watching the drivers at ... Trouble codes: P0304 (cyl 4 misfire).		 3
2002 Mercedes-Benz ML320 3.2L Electronic
Hi group.if you have code in transmission module even the problem is fixed the transmission will stay in limp mode and acts like it has not been fixed. the ML320 was fixed by replacement of conductive plate, but the scanner I used to clear the EGS codes was...		 6
2005 Saturn Vue 2.2L MIL Lamp on, LOSS OF POWER
Thanks for the relies it was evenly divided between wiring problem at the pcm -- throttle motor,or the map sensor. I took it home for three days with my scanner and could`nt duplicate it. I checked the PCM and throttle motor wiring everything looked ok. Map se... Trouble codes: 0068 (mapmaf throttle correlation).		 6
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