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Chip Hi I noted your ad and although I don't have a chip I wanted to mention that here are several stock chips depending on your axle ratio. You need to get the correct one for that ratio. Hope his helps in your search. Cheers Gary

Hi My 90 has the same issue...when hot it often has a delayed start rather than an instant on. Has anyone found a reference to this in the FSM? Cheers GAry

Hi The fans are turned on and off at predetermined temps by the ECM and when AC is called for the secondary fans turn on. I don't think the heater core bypass is an issue. Did you use a stock thermostat (195)? Does your temp guage indicate a hot engine.? In a cold climate a 160 thermostat...

Hi Always a bonus when things work out!! Why GM made the code clearing process so difficult is beyond me. A sequence had to be programmed into the computer to do the job but they didn't have to make it so fussy. A tolerance of a couple of secs would make it much easier. Cheers Gary

Hi I went through a similar problem with Code 16(LH side sensor) I cleaned and torqued everything and still had no luck turning off the warning INFL REST lamp. I was convinced it was the DERM but once I saw where it was located and the difficulty in getting the right part and also worrying...

Hi The problem you describe seems to indicate a lean mixture. Using a scanner and recording the engine data when the problem occurs and comparing it to the normal values can be can be very helpful in verifying the problem. The scan data should show that the Block learn and integrator values are...

Hi The box the injectors came in only has a part number (150824) and a UPC of 0 8482980034 8 for identification. No version number is stated. Hope this helps. Cheers Gary

Hi I have been using a set of 24lbs Accell's in my stock 90 L98 for a about a year now and they are working just fine. Cheers Gary

Hi I went through the same exercise as you have trying to get my laptop to communicate with my 90 L98. I bought a serial /ALDL cable triedseveral softwarepackages, definitions and two laptops but had no success. In the end I came to the conclusion that the I was not using the correct definition...

Hi Looking for a computer cover as shown in the pic below. Unfortunatley I closed the hood on mine while I had it off and damaged it. It has part number 10098903 on the bottom. Thanks for looking. Gary

I'm looking to find a source of replacement parts to rebuild the power seat track in a 90. The issue seems to be that the plastic gears in the seat actuator wear out and start to slip. The one that at seems to be the most common problem is front/back. Replacement seems to be staght forward if...

Hi Since the check engine light is coming on it's giving you a hint as to the problem. You can get the codes without a code reader by (with the key off )installing a jumper wire on the ALDL connector between pins A and B. When you turn the key to the run position the Service engine light will...

Hi Tom The standard plug for your car is AC Delco FR5LS. I have used this plug in my vette and it works just fine. It is quite a bit cheaper than the platinum plug and if originality is an issue it's what the car started with. My understanding for the use of platinum plugs is a longer life in...

Hi Tom You have the aluminum head. The plug is quite a bit longer than for the cast iron. Cheers Gary

Hi Tom The equipment I used when I was going through the diagnosing process with my car which had an intermittent check engine light was a SnapOn Mt 2500 scanner hooked to an old laptop which had the glitch snitch software from SnapOn installed. I worked in a vocational school which had all this...

Hi Tom The best way to diagnose an emissions problem is to use a scanner to look at the data sent by the various sensors to the computer and compare it to the normal values. For example,in your case given the quick fuel pressure leak down it could be a faulty injector(s) which would cause a rich...

Hi Tom It's my understanding that the manufacturer of the Ford injectors indicates that you don't need the locking rings but it stikes me some sort of positive lock should be there as in the original. This is part of the problem with after market parts particuarly when the part is "designed"...

Injectors I had the same problem with my 90 stock L-98...low resistance on 2 injectors. The symptoms were poor gas mileage, intermittant service engine light (Code 45-Rich exhaust) and a loping idle. My solution was to install Accell 24lbs. as a spring project. I ran the car this summer and it...

Hi Glenn/Edmond Thanks for the tips ...alot of food for thought!!! Gary